Search a number
-
+
121037841 = 3317377127
BaseRepresentation
bin1110011011011…
…10010000010001
322102202100201000
413031232100101
5221441202331
620002132213
72666543001
oct715562021
9272670630
10121037841
1162360581
1234651069
131c0cb432
141210a001
15a95d0e6
hex736e411

121037841 has 32 divisors (see below), whose sum is σ = 195022080. Its totient is φ = 73882368.

The previous prime is 121037801. The next prime is 121037879. The reversal of 121037841 is 148730121.

It is not a de Polignac number, because 121037841 - 27 = 121037713 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (121037801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13420 + ... + 20546.

It is an arithmetic number, because the mean of its divisors is an integer number (6094440).

Almost surely, 2121037841 is an apocalyptic number.

It is an amenable number.

121037841 is a deficient number, since it is larger than the sum of its proper divisors (73984239).

121037841 is a wasteful number, since it uses less digits than its factorization.

121037841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7190 (or 7184 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 121037841 is about 11001.7199109957. The cubic root of 121037841 is about 494.6602995280.

Adding to 121037841 its reverse (148730121), we get a palindrome (269767962).

The spelling of 121037841 in words is "one hundred twenty-one million, thirty-seven thousand, eight hundred forty-one".

Divisors: 1 3 9 17 27 37 51 111 153 333 459 629 999 1887 5661 7127 16983 21381 64143 121159 192429 263699 363477 791097 1090431 2373291 3271293 4482883 7119873 13448649 40345947 121037841