401251125 has 96 divisors (see below), whose sum is σ = 756887040. Its totient is φ = 188496000.

The previous prime is 401251121. The next prime is 401251129. The reversal of 401251125 is 521152104.

It is an interprime number because it is at equal distance from previous prime (401251121) and next prime (401251129).

It is not a de Polignac number, because 401251125 - 2² = 401251121 is a prime.

It is a super-2 number, since 2×401251125² = 322004930627531250, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401251121) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1678756 + ... + 1678994.

It is an arithmetic number, because the mean of its divisors is an integer number (7884240).

Almost surely, 2^401251125 is an apocalyptic number.

It is an amenable number.

401251125 is a deficient number, since it is larger than the sum of its proper divisors (355635915).

401251125 is a wasteful number, since it uses less digits than its factorization.

401251125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316 (or 295 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 401251125 is about 20031.2537051479. The cubic root of 401251125 is about 737.5736975093.

The spelling of 401251125 in words is "four hundred one million, two hundred fifty-one thousand, one hundred twenty-five".