402750125 has 64 divisors (see below), whose sum is σ = 565194240. Its totient is φ = 285120000.

The previous prime is 402750119. The next prime is 402750151. The reversal of 402750125 is 521057204.

It is not a de Polignac number, because 402750125 - 2⁸ = 402749869 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 402750094 and 402750103.

It is a congruent 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 63 ways as a sum of consecutive naturals, for example, 3987575 + ... + 3987675.

It is an arithmetic number, because the mean of its divisors is an integer number (8831160).

Almost surely, 2^402750125 is an apocalyptic number.

It is an amenable number.

402750125 is a deficient number, since it is larger than the sum of its proper divisors (162444115).

402750125 is a wasteful number, since it uses less digits than its factorization.

402750125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231 (or 221 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 402750125 is about 20068.6353547021. The cubic root of 402750125 is about 738.4910357656.

The spelling of 402750125 in words is "four hundred two million, seven hundred fifty thousand, one hundred twenty-five".