121646432 has 24 divisors (see below), whose sum is σ = 240181200. Its totient is φ = 60648064.

The previous prime is 121646429. The next prime is 121646443. The reversal of 121646432 is 234646121.

It is a junction number, because it is equal to n+sod(n) for n = 121646395 and 121646404.

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, 6194 + ... + 16782.

It is an arithmetic number, because the mean of its divisors is an integer number (10007550).

Almost surely, 2^121646432 is an apocalyptic number.

It is an amenable number.

121646432 is a deficient number, since it is larger than the sum of its proper divisors (118534768).

121646432 is a wasteful number, since it uses less digits than its factorization.

121646432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10958 (or 10950 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

The square root of 121646432 is about 11029.3441328122. The cubic root of 121646432 is about 495.4879818607.

The spelling of 121646432 in words is "one hundred twenty-one million, six hundred forty-six thousand, four hundred thirty-two".