232120987 has 6 divisors (see below), whose sum is σ = 270018348. Its totient is φ = 198960804.

The previous prime is 232120957. The next prime is 232121011. The reversal of 232120987 is 789021232.

It is not a de Polignac number, because 232120987 - 2²⁷ = 97903259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (232120937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2368533 + ... + 2368630.

It is an arithmetic number, because the mean of its divisors is an integer number (45003058).

Almost surely, 2^232120987 is an apocalyptic number.

232120987 is a deficient number, since it is larger than the sum of its proper divisors (37897361).

232120987 is an equidigital number, since it uses as much as digits as its factorization.

232120987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4737177 (or 4737170 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 232120987 is about 15235.5172869187. The cubic root of 232120987 is about 614.5701599071.

The spelling of 232120987 in words is "two hundred thirty-two million, one hundred twenty thousand, nine hundred eighty-seven".