125655135 has 16 divisors (see below), whose sum is σ = 201388896. Its totient is φ = 66902528.

The previous prime is 125655133. The next prime is 125655139. The reversal of 125655135 is 531556521.

It is a cyclic number.

It is not a de Polignac number, because 125655135 - 2¹ = 125655133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125655096 and 125655105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125655133) 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, 2467 + ... + 16043.

It is an arithmetic number, because the mean of its divisors is an integer number (12586806).

Almost surely, 2^125655135 is an apocalyptic number.

125655135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

125655135 is a deficient number, since it is larger than the sum of its proper divisors (75733761).

125655135 is a wasteful number, since it uses less digits than its factorization.

125655135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14202.

The product of its digits is 22500, while the sum is 33.

The square root of 125655135 is about 11209.6001266771. The cubic root of 125655135 is about 500.8719917102.

The spelling of 125655135 in words is "one hundred twenty-five million, six hundred fifty-five thousand, one hundred thirty-five".