125163135 has 24 divisors (see below), whose sum is σ = 217239360. Its totient is φ = 66664512.

The previous prime is 125163133. The next prime is 125163149. The reversal of 125163135 is 531361521.

125163135 is a `hidden beast` number, since 1 + 25 + 1 + 631 + 3 + 5 = 666.

It is not a de Polignac number, because 125163135 - 2¹ = 125163133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125163099 and 125163108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125163133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45417 + ... + 48093.

It is an arithmetic number, because the mean of its divisors is an integer number (9051640).

Almost surely, 2^125163135 is an apocalyptic number.

125163135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

125163135 is a deficient number, since it is larger than the sum of its proper divisors (92076225).

125163135 is a wasteful number, since it uses less digits than its factorization.

125163135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3727 (or 3724 counting only the distinct ones).

The product of its digits is 2700, while the sum is 27.

The square root of 125163135 is about 11187.6331276995. The cubic root of 125163135 is about 500.2174187778.

It can be divided in two parts, 12516 and 3135, that added together give a palindrome (15651).

The spelling of 125163135 in words is "one hundred twenty-five million, one hundred sixty-three thousand, one hundred thirty-five".