401263124 has 24 divisors (see below), whose sum is σ = 714990696. Its totient is φ = 196992000.

The previous prime is 401263073. The next prime is 401263141. The reversal of 401263124 is 421362104.

It can be written as a sum of positive squares in 4 ways, for example, as 17808400 + 383454724 = 4220^2 + 19582^2 .

It is a super-2 number, since 2×401263124² = 322024189364478752, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 401263124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184604 + ... + 186764.

It is an arithmetic number, because the mean of its divisors is an integer number (29791279).

Almost surely, 2^401263124 is an apocalyptic number.

It is an amenable number.

401263124 is a deficient number, since it is larger than the sum of its proper divisors (313727572).

401263124 is a wasteful number, since it uses less digits than its factorization.

401263124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2987 (or 2985 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 401263124 is about 20031.5532098737. The cubic root of 401263124 is about 737.5810495623.

The spelling of 401263124 in words is "four hundred one million, two hundred sixty-three thousand, one hundred twenty-four".