125070631 has 4 divisors (see below), whose sum is σ = 142937872. Its totient is φ = 107203392.

The previous prime is 125070611. The next prime is 125070637. The reversal of 125070631 is 136070521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 136070521 = 3301 ⋅41221.

It is a cyclic number.

It is not a de Polignac number, because 125070631 - 2⁵ = 125070599 is a prime.

It is a super-2 number, since 2×125070631² = 31285325477476322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 125070596 and 125070605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125070637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8933610 + ... + 8933623.

It is an arithmetic number, because the mean of its divisors is an integer number (35734468).

Almost surely, 2^125070631 is an apocalyptic number.

125070631 is a deficient number, since it is larger than the sum of its proper divisors (17867241).

125070631 is an equidigital number, since it uses as much as digits as its factorization.

125070631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17867240.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 125070631 is about 11183.4981557650. The cubic root of 125070631 is about 500.0941569345.

The spelling of 125070631 in words is "one hundred twenty-five million, seventy thousand, six hundred thirty-one".