121037750736 has 80 divisors (see below), whose sum is σ = 357620158464. Its totient is φ = 34556026752.

The previous prime is 121037750563. The next prime is 121037750761. The reversal of 121037750736 is 637057730121.

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 15 ways as a sum of consecutive naturals, for example, 310141 + ... + 581603.

Almost surely, 2^121037750736 is an apocalyptic number.

121037750736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

121037750736 is an abundant number, since it is smaller than the sum of its proper divisors (236582407728).

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

121037750736 is a wasteful number, since it uses less digits than its factorization.

121037750736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272808 (or 272802 counting only the distinct ones).

The product of its (nonzero) digits is 185220, while the sum is 42.

The spelling of 121037750736 in words is "one hundred twenty-one billion, thirty-seven million, seven hundred fifty thousand, seven hundred thirty-six".