121537627260 has 72 divisors (see below), whose sum is σ = 395865424080. Its totient is φ = 27780028416.

The previous prime is 121537627231. The next prime is 121537627271. The reversal of 121537627260 is 62726735121.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20666725 + ... + 20672604.

It is an arithmetic number, because the mean of its divisors is an integer number (5498130890).

Almost surely, 2^121537627260 is an apocalyptic number.

121537627260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121537627260 is an abundant number, since it is smaller than the sum of its proper divisors (274327796820).

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

121537627260 is a wasteful number, since it uses less digits than its factorization.

121537627260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41339355 (or 41339346 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 42.

The spelling of 121537627260 in words is "one hundred twenty-one billion, five hundred thirty-seven million, six hundred twenty-seven thousand, two hundred sixty".