125660145 has 16 divisors (see below), whose sum is σ = 216522432. Its totient is φ = 61863360.

The previous prime is 125660089. The next prime is 125660149. The reversal of 125660145 is 541066521.

It is not a de Polignac number, because 125660145 - 2¹⁵ = 125627377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125660149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 322011 + ... + 322400.

It is an arithmetic number, because the mean of its divisors is an integer number (13532652).

Almost surely, 2^125660145 is an apocalyptic number.

125660145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125660145 is a deficient number, since it is larger than the sum of its proper divisors (90862287).

125660145 is a wasteful number, since it uses less digits than its factorization.

125660145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644432.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 125660145 is about 11209.8235936164. The cubic root of 125660145 is about 500.8786483829.

The spelling of 125660145 in words is "one hundred twenty-five million, six hundred sixty thousand, one hundred forty-five".