121932756 has 96 divisors (see below), whose sum is σ = 347276160. Its totient is φ = 36691200.

The previous prime is 121932751. The next prime is 121932799. The reversal of 121932756 is 657239121.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 121932756.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121932751) 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, 233776 + ... + 234296.

It is an arithmetic number, because the mean of its divisors is an integer number (3617460).

Almost surely, 2^121932756 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121932756, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173638080).

121932756 is an abundant number, since it is smaller than the sum of its proper divisors (225343404).

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

121932756 is a wasteful number, since it uses less digits than its factorization.

121932756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742 (or 734 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 121932756 is about 11042.3166047709. The cubic root of 121932756 is about 495.8764271155.

The spelling of 121932756 in words is "one hundred twenty-one million, nine hundred thirty-two thousand, seven hundred fifty-six".