125766501 has 16 divisors (see below), whose sum is σ = 195723264. Its totient is φ = 70336944.

The previous prime is 125766481. The next prime is 125766547. The reversal of 125766501 is 105667521.

It is not a de Polignac number, because 125766501 - 2⁵ = 125766469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125766551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62725 + ... + 64698.

It is an arithmetic number, because the mean of its divisors is an integer number (12232704).

Almost surely, 2^125766501 is an apocalyptic number.

It is an amenable number.

125766501 is a deficient number, since it is larger than the sum of its proper divisors (69956763).

125766501 is a wasteful number, since it uses less digits than its factorization.

125766501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127480.

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 125766501 is about 11214.5664650935. The cubic root of 125766501 is about 501.0199194474.

The spelling of 125766501 in words is "one hundred twenty-five million, seven hundred sixty-six thousand, five hundred one".