128752264 has 32 divisors (see below), whose sum is σ = 247717440. Its totient is φ = 62712000.

The previous prime is 128752249. The next prime is 128752279. The reversal of 128752264 is 462257821.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (128752249) and next prime (128752279).

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 7 ways as a sum of consecutive naturals, for example, 63019 + ... + 65029.

It is an arithmetic number, because the mean of its divisors is an integer number (7741170).

Almost surely, 2^128752264 is an apocalyptic number.

It is an amenable number.

128752264 is a deficient number, since it is larger than the sum of its proper divisors (118965176).

128752264 is a wasteful number, since it uses less digits than its factorization.

128752264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2221 (or 2217 counting only the distinct ones).

The product of its digits is 53760, while the sum is 37.

The square root of 128752264 is about 11346.9054812314. The cubic root of 128752264 is about 504.9537767711.

The spelling of 128752264 in words is "one hundred twenty-eight million, seven hundred fifty-two thousand, two hundred sixty-four".