128046957 has 16 divisors (see below), whose sum is σ = 183902208. Its totient is φ = 79017840.

The previous prime is 128046949. The next prime is 128046979. The reversal of 128046957 is 759640821.

It is not a de Polignac number, because 128046957 - 2³ = 128046949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128046917) 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 15 ways as a sum of consecutive naturals, for example, 27793 + ... + 32070.

It is an arithmetic number, because the mean of its divisors is an integer number (11493888).

Almost surely, 2^128046957 is an apocalyptic number.

It is an amenable number.

128046957 is a deficient number, since it is larger than the sum of its proper divisors (55855251).

128046957 is a wasteful number, since it uses less digits than its factorization.

128046957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59920.

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 128046957 is about 11315.7835345150. The cubic root of 128046957 is about 504.0300396242.

The spelling of 128046957 in words is "one hundred twenty-eight million, forty-six thousand, nine hundred fifty-seven".