128274052 has 12 divisors (see below), whose sum is σ = 225375696. Its totient is φ = 63881000.

The previous prime is 128274043. The next prime is 128274071. The reversal of 128274052 is 250472821.

It is a happy number.

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 3 ways as a sum of consecutive naturals, for example, 62878 + ... + 64885.

It is an arithmetic number, because the mean of its divisors is an integer number (18781308).

Almost surely, 2^128274052 is an apocalyptic number.

It is an amenable number.

128274052 is a deficient number, since it is larger than the sum of its proper divisors (97101644).

128274052 is a wasteful number, since it uses less digits than its factorization.

128274052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128018 (or 128016 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 128274052 is about 11325.8135248643. The cubic root of 128274052 is about 504.3278342861.

The spelling of 128274052 in words is "one hundred twenty-eight million, two hundred seventy-four thousand, fifty-two".