401135125 has 16 divisors (see below), whose sum is σ = 526968000. Its totient is φ = 304016400.

The previous prime is 401135117. The next prime is 401135131. The reversal of 401135125 is 521531104.

It is a happy number.

It is not a de Polignac number, because 401135125 - 2³ = 401135117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 401135096 and 401135105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82075 + ... + 86824.

It is an arithmetic number, because the mean of its divisors is an integer number (32935500).

Almost surely, 2^401135125 is an apocalyptic number.

It is an amenable number.

401135125 is a deficient number, since it is larger than the sum of its proper divisors (125832875).

401135125 is a wasteful number, since it uses less digits than its factorization.

401135125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168933 (or 168923 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 401135125 is about 20028.3580205667. The cubic root of 401135125 is about 737.5026141821.

Adding to 401135125 its reverse (521531104), we get a palindrome (922666229).

The spelling of 401135125 in words is "four hundred one million, one hundred thirty-five thousand, one hundred twenty-five".