402125030 has 16 divisors (see below), whose sum is σ = 724205664. Its totient is φ = 160765440.

The previous prime is 402125029. The next prime is 402125039. The reversal of 402125030 is 30521204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402125039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11615 + ... + 30645.

It is an arithmetic number, because the mean of its divisors is an integer number (45262854).

Almost surely, 2^402125030 is an apocalyptic number.

402125030 is a deficient number, since it is larger than the sum of its proper divisors (322080634).

402125030 is a wasteful number, since it uses less digits than its factorization.

402125030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21151.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 402125030 is about 20053.0553781712. The cubic root of 402125030 is about 738.1087755197.

Adding to 402125030 its reverse (30521204), we get a palindrome (432646234).

The spelling of 402125030 in words is "four hundred two million, one hundred twenty-five thousand, thirty".