401129975 has 6 divisors (see below), whose sum is σ = 497401200. Its totient is φ = 320903960.

The previous prime is 401129941. The next prime is 401130077. The reversal of 401129975 is 579921104.

It is not a de Polignac number, because 401129975 - 2⁸ = 401129719 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8022575 + ... + 8022624.

It is an arithmetic number, because the mean of its divisors is an integer number (82900200).

Almost surely, 2^401129975 is an apocalyptic number.

401129975 is a deficient number, since it is larger than the sum of its proper divisors (96271225).

401129975 is a wasteful number, since it uses less digits than its factorization.

401129975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16045209 (or 16045204 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 38.

The square root of 401129975 is about 20028.2294524504. The cubic root of 401129975 is about 737.4994580098.

The spelling of 401129975 in words is "four hundred one million, one hundred twenty-nine thousand, nine hundred seventy-five".