121352432 has 20 divisors (see below), whose sum is σ = 237547296. Its totient is φ = 60049920.

The previous prime is 121352431. The next prime is 121352459. The reversal of 121352432 is 234253121.

It is a junction number, because it is equal to n+sod(n) for n = 121352398 and 121352407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121352431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37544 + ... + 40647.

Almost surely, 2^121352432 is an apocalyptic number.

It is an amenable number.

121352432 is a deficient number, since it is larger than the sum of its proper divisors (116194864).

121352432 is an equidigital number, since it uses as much as digits as its factorization.

121352432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78296 (or 78290 counting only the distinct ones).

The product of its digits is 1440, while the sum is 23.

The square root of 121352432 is about 11016.0079883776. The cubic root of 121352432 is about 495.0884880748.

The spelling of 121352432 in words is "one hundred twenty-one million, three hundred fifty-two thousand, four hundred thirty-two".