125165766 has 16 divisors (see below), whose sum is σ = 273089088. Its totient is φ = 37929000.

The previous prime is 125165759. The next prime is 125165771. The reversal of 125165766 is 667561521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 948160 + ... + 948291.

It is an arithmetic number, because the mean of its divisors is an integer number (17068068).

Almost surely, 2^125165766 is an apocalyptic number.

125165766 is an abundant number, since it is smaller than the sum of its proper divisors (147923322).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125165766 is a wasteful number, since it uses less digits than its factorization.

125165766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1896467.

The product of its digits is 75600, while the sum is 39.

The square root of 125165766 is about 11187.7507122746. The cubic root of 125165766 is about 500.2209237044.

The spelling of 125165766 in words is "one hundred twenty-five million, one hundred sixty-five thousand, seven hundred sixty-six".