128469974 has 16 divisors (see below), whose sum is σ = 197948016. Its totient is φ = 62496000.

The previous prime is 128469967. The next prime is 128470033. The reversal of 128469974 is 479964821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30929 + ... + 34835.

It is an arithmetic number, because the mean of its divisors is an integer number (12371751).

Almost surely, 2^128469974 is an apocalyptic number.

128469974 is a deficient number, since it is larger than the sum of its proper divisors (69478042).

128469974 is a wasteful number, since it uses less digits than its factorization.

128469974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4351.

The product of its digits is 870912, while the sum is 50.

The square root of 128469974 is about 11334.4595812946. The cubic root of 128469974 is about 504.5844688201.

The spelling of 128469974 in words is "one hundred twenty-eight million, four hundred sixty-nine thousand, nine hundred seventy-four".