125726570 has 16 divisors (see below), whose sum is σ = 226437120. Its totient is φ = 50261904.

The previous prime is 125726537. The next prime is 125726599. The reversal of 125726570 is 75627521.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 125726570.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 28151 + ... + 32309.

It is an arithmetic number, because the mean of its divisors is an integer number (14152320).

Almost surely, 2^125726570 is an apocalyptic number.

125726570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125726570 is a deficient number, since it is larger than the sum of its proper divisors (100710550).

125726570 is a wasteful number, since it uses less digits than its factorization.

125726570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7189.

The product of its (nonzero) digits is 29400, while the sum is 35.

The square root of 125726570 is about 11212.7860052709. The cubic root of 125726570 is about 500.9668890459.

The spelling of 125726570 in words is "one hundred twenty-five million, seven hundred twenty-six thousand, five hundred seventy".