125651444 has 6 divisors (see below), whose sum is σ = 219890034. Its totient is φ = 62825720.

The previous prime is 125651443. The next prime is 125651483. The reversal of 125651444 is 444156521.

It can be written as a sum of positive squares in only one way, i.e., 111302500 + 14348944 = 10550^2 + 3788^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 125651444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125651441) 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 as a sum of consecutive naturals, namely, 15706427 + ... + 15706434.

It is an arithmetic number, because the mean of its divisors is an integer number (36648339).

Almost surely, 2^125651444 is an apocalyptic number.

It is an amenable number.

125651444 is a deficient number, since it is larger than the sum of its proper divisors (94238590).

125651444 is a wasteful number, since it uses less digits than its factorization.

125651444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31412865 (or 31412863 counting only the distinct ones).

The product of its digits is 19200, while the sum is 32.

The square root of 125651444 is about 11209.4354898005. The cubic root of 125651444 is about 500.8670874495.

The spelling of 125651444 in words is "one hundred twenty-five million, six hundred fifty-one thousand, four hundred forty-four".