102420832 has 24 divisors (see below), whose sum is σ = 202234536. Its totient is φ = 51059712.

The previous prime is 102420781. The next prime is 102420853. The reversal of 102420832 is 238024201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6763 + ... + 15829.

It is an arithmetic number, because the mean of its divisors is an integer number (8426439).

Almost surely, 2^102420832 is an apocalyptic number.

It is an amenable number.

102420832 is a deficient number, since it is larger than the sum of its proper divisors (99813704).

102420832 is an equidigital number, since it uses as much as digits as its factorization.

102420832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9430 (or 9422 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 102420832 is about 10120.3177815719. The cubic root of 102420832 is about 467.8745615554.

The spelling of 102420832 in words is "one hundred two million, four hundred twenty thousand, eight hundred thirty-two".