402125379 has 8 divisors (see below), whose sum is σ = 548636352. Its totient is φ = 261849000.

The previous prime is 402125371. The next prime is 402125389. The reversal of 402125379 is 973521204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 402125379 - 2³ = 402125371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (402125371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1558497 + ... + 1558754.

It is an arithmetic number, because the mean of its divisors is an integer number (68579544).

Almost surely, 2^402125379 is an apocalyptic number.

402125379 is a deficient number, since it is larger than the sum of its proper divisors (146510973).

402125379 is a wasteful number, since it uses less digits than its factorization.

402125379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3117297.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 402125379 is about 20053.0640800851. The cubic root of 402125379 is about 738.1089890518.

The spelling of 402125379 in words is "four hundred two million, one hundred twenty-five thousand, three hundred seventy-nine".