125044456 has 8 divisors (see below), whose sum is σ = 234458370. Its totient is φ = 62522224.

The previous prime is 125044441. The next prime is 125044457. The reversal of 125044456 is 654440521.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 122988100 + 2056356 = 11090^2 + 1434^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×125044456² = 31272231952671872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (125044457) 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 as a sum of consecutive naturals, namely, 7815271 + ... + 7815286.

Almost surely, 2^125044456 is an apocalyptic number.

It is an amenable number.

125044456 is a deficient number, since it is larger than the sum of its proper divisors (109413914).

125044456 is a wasteful number, since it uses less digits than its factorization.

125044456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15630563 (or 15630559 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 125044456 is about 11182.3278435217. The cubic root of 125044456 is about 500.0592676411.

Adding to 125044456 its reverse (654440521), we get a palindrome (779484977).

The spelling of 125044456 in words is "one hundred twenty-five million, forty-four thousand, four hundred fifty-six".