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121041140 = 2251134547
BaseRepresentation
bin1110011011011…
…11000011110100
322102202112020012
413031233003310
5221441304030
620002155352
72666555423
oct715570364
9272675205
10121041140
1162363000
1234652b58
131c0cca9c
141210b2ba
15a95e095
hex736f0f4

121041140 has 48 divisors (see below), whose sum is σ = 279647424. Its totient is φ = 44005280.

The previous prime is 121041119. The next prime is 121041149. The reversal of 121041140 is 41140121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121041149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24347 + ... + 28893.

It is an arithmetic number, because the mean of its divisors is an integer number (5825988).

Almost surely, 2121041140 is an apocalyptic number.

121041140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121041140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139823712).

121041140 is an abundant number, since it is smaller than the sum of its proper divisors (158606284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121041140 is a wasteful number, since it uses less digits than its factorization.

121041140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4589 (or 4565 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 121041140 is about 11001.8698410770. The cubic root of 121041140 is about 494.6647936308.

Adding to 121041140 its reverse (41140121), we get a palindrome (162181261).

The spelling of 121041140 in words is "one hundred twenty-one million, forty-one thousand, one hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 121 220 242 484 605 1210 1331 2420 2662 4547 5324 6655 9094 13310 18188 22735 26620 45470 50017 90940 100034 200068 250085 500170 550187 1000340 1100374 2200748 2750935 5501870 6052057 11003740 12104114 24208228 30260285 60520570 121041140