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121233030 = 2354041101
BaseRepresentation
bin1110011100111…
…01111010000110
322110010021110020
413032131322012
5222013424110
620010240010
73001315032
oct716357206
9273107406
10121233030
1162484196
1234726006
131c169229
141215b1c2
15a99ad70
hex739de86

121233030 has 16 divisors (see below), whose sum is σ = 290959344. Its totient is φ = 32328800.

The previous prime is 121233029. The next prime is 121233059. The reversal of 121233030 is 30332121.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2020521 + ... + 2020580.

It is an arithmetic number, because the mean of its divisors is an integer number (18184959).

Almost surely, 2121233030 is an apocalyptic number.

121233030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121233030 is an abundant number, since it is smaller than the sum of its proper divisors (169726314).

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

121233030 is a wasteful number, since it uses less digits than its factorization.

121233030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4041111.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 121233030 is about 11010.5871778030. The cubic root of 121233030 is about 494.9260577237.

Adding to 121233030 its reverse (30332121), we get a palindrome (151565151).

Subtracting from 121233030 its reverse (30332121), we obtain a palindrome (90900909).

The spelling of 121233030 in words is "one hundred twenty-one million, two hundred thirty-three thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 4041101 8082202 12123303 20205505 24246606 40411010 60616515 121233030