125700644 has 12 divisors (see below), whose sum is σ = 220672284. Its totient is φ = 62651424.

The previous prime is 125700623. The next prime is 125700647. The reversal of 125700644 is 446007521.

It can be written as a sum of positive squares in 2 ways, for example, as 23892544 + 101808100 = 4888^2 + 10090^2 .

It is not an unprimeable number, because it can be changed into a prime (125700647) 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 3 ways as a sum of consecutive naturals, for example, 48299 + ... + 50834.

It is an arithmetic number, because the mean of its divisors is an integer number (18389357).

Almost surely, 2^125700644 is an apocalyptic number.

It is an amenable number.

125700644 is a deficient number, since it is larger than the sum of its proper divisors (94971640).

125700644 is a wasteful number, since it uses less digits than its factorization.

125700644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99454 (or 99452 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 125700644 is about 11211.6298547535. The cubic root of 125700644 is about 500.9324519856.

The spelling of 125700644 in words is "one hundred twenty-five million, seven hundred thousand, six hundred forty-four".