125252637 has 16 divisors (see below), whose sum is σ = 170216640. Its totient is φ = 81910400.

The previous prime is 125252599. The next prime is 125252639. The reversal of 125252637 is 736252521.

125252637 = T₁₆₃₃ + T₁₆₃₄ + ... + T₁₇₂₁.

It is a cyclic number.

It is not a de Polignac number, because 125252637 - 2¹⁰ = 125251613 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125252598 and 125252607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125252639) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33187 + ... + 36767.

It is an arithmetic number, because the mean of its divisors is an integer number (10638540).

Almost surely, 2^125252637 is an apocalyptic number.

It is an amenable number.

125252637 is a deficient number, since it is larger than the sum of its proper divisors (44964003).

125252637 is a wasteful number, since it uses less digits than its factorization.

125252637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3804.

The product of its digits is 25200, while the sum is 33.

The square root of 125252637 is about 11191.6324546511. The cubic root of 125252637 is about 500.3366226529.

The spelling of 125252637 in words is "one hundred twenty-five million, two hundred fifty-two thousand, six hundred thirty-seven".