121132432 has 20 divisors (see below), whose sum is σ = 235004800. Its totient is φ = 60486048.

The previous prime is 121132423. The next prime is 121132483. The reversal of 121132432 is 234231121.

It is a happy 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, 8569 + ... + 17767.

It is an arithmetic number, because the mean of its divisors is an integer number (11750240).

Almost surely, 2^121132432 is an apocalyptic number.

It is an amenable number.

121132432 is a deficient number, since it is larger than the sum of its proper divisors (113872368).

121132432 is an equidigital number, since it uses as much as digits as its factorization.

121132432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10030 (or 10024 counting only the distinct ones).

The product of its digits is 288, while the sum is 19.

The square root of 121132432 is about 11006.0179901725. The cubic root of 121132432 is about 494.7891248838.

Adding to 121132432 its reverse (234231121), we get a palindrome (355363553).

The spelling of 121132432 in words is "one hundred twenty-one million, one hundred thirty-two thousand, four hundred thirty-two".