402331124 has 12 divisors (see below), whose sum is σ = 758239524. Its totient is φ = 185691264.

The previous prime is 402331103. The next prime is 402331147. The reversal of 402331124 is 421133204.

It can be written as a sum of positive squares in 2 ways, for example, as 109579024 + 292752100 = 10468^2 + 17110^2 .

It is a junction number, because it is equal to n+sod(n) for n = 402331096 and 402331105.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3868517 + ... + 3868620.

It is an arithmetic number, because the mean of its divisors is an integer number (63186627).

Almost surely, 2^402331124 is an apocalyptic number.

It is an amenable number.

402331124 is a deficient number, since it is larger than the sum of its proper divisors (355908400).

402331124 is a wasteful number, since it uses less digits than its factorization.

402331124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7737154 (or 7737152 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 402331124 is about 20058.1934380941. The cubic root of 402331124 is about 738.2348505778.

Adding to 402331124 its reverse (421133204), we get a palindrome (823464328).

The spelling of 402331124 in words is "four hundred two million, three hundred thirty-one thousand, one hundred twenty-four".