128082402 has 24 divisors (see below), whose sum is σ = 317156736. Its totient is φ = 36594936.

The previous prime is 128082391. The next prime is 128082431. The reversal of 128082402 is 204280821.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 508138 + ... + 508389.

It is an arithmetic number, because the mean of its divisors is an integer number (13214864).

Almost surely, 2^128082402 is an apocalyptic number.

128082402 is an abundant number, since it is smaller than the sum of its proper divisors (189074334).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

128082402 is a wasteful number, since it uses less digits than its factorization.

128082402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016542 (or 1016539 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

The square root of 128082402 is about 11317.3496013864. The cubic root of 128082402 is about 504.0765426077.

The spelling of 128082402 in words is "one hundred twenty-eight million, eighty-two thousand, four hundred two".