125154165 has 16 divisors (see below), whose sum is σ = 205659648. Its totient is φ = 64944576.

The previous prime is 125154143. The next prime is 125154217. The reversal of 125154165 is 561451521.

It is not a de Polignac number, because 125154165 - 2¹³ = 125145973 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112197 + ... + 113306.

It is an arithmetic number, because the mean of its divisors is an integer number (12853728).

Almost surely, 2^125154165 is an apocalyptic number.

125154165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125154165 is a deficient number, since it is larger than the sum of its proper divisors (80505483).

125154165 is a wasteful number, since it uses less digits than its factorization.

125154165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225548.

The product of its digits is 6000, while the sum is 30.

The square root of 125154165 is about 11187.2322314324. The cubic root of 125154165 is about 500.2054688868.

It can be divided in two parts, 125 and 154165, that added together give a triangular number (154290 = T₅₅₅).

The spelling of 125154165 in words is "one hundred twenty-five million, one hundred fifty-four thousand, one hundred sixty-five".