125173867 has 16 divisors (see below), whose sum is σ = 155287552. Its totient is φ = 98249760.

The previous prime is 125173859. The next prime is 125173871. The reversal of 125173867 is 768371521.

It is not a de Polignac number, because 125173867 - 2³ = 125173859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125173837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6142 + ... + 16972.

It is an arithmetic number, because the mean of its divisors is an integer number (9705472).

Almost surely, 2^125173867 is an apocalyptic number.

125173867 is a deficient number, since it is larger than the sum of its proper divisors (30113685).

125173867 is a wasteful number, since it uses less digits than its factorization.

125173867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10978.

The product of its digits is 70560, while the sum is 40.

The square root of 125173867 is about 11188.1127541690. The cubic root of 125173867 is about 500.2317152661.

It can be divided in two parts, 12517 and 3867, that added together give a 14-th power (16384 = 2¹⁴).

The spelling of 125173867 in words is "one hundred twenty-five million, one hundred seventy-three thousand, eight hundred sixty-seven".