121828732 has 12 divisors (see below), whose sum is σ = 225741600. Its totient is φ = 57331136.

The previous prime is 121828699. The next prime is 121828787. The reversal of 121828732 is 237828121.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 895732 + ... + 895867.

It is an arithmetic number, because the mean of its divisors is an integer number (18811800).

Almost surely, 2^121828732 is an apocalyptic number.

It is an amenable number.

121828732 is a deficient number, since it is larger than the sum of its proper divisors (103912868).

121828732 is a wasteful number, since it uses less digits than its factorization.

121828732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1791620 (or 1791618 counting only the distinct ones).

The product of its digits is 10752, while the sum is 34.

The square root of 121828732 is about 11037.6053562356. The cubic root of 121828732 is about 495.7353719770.

The spelling of 121828732 in words is "one hundred twenty-one million, eight hundred twenty-eight thousand, seven hundred thirty-two".