125551544 has 16 divisors (see below), whose sum is σ = 247799400. Its totient is φ = 59471712.

The previous prime is 125551513. The next prime is 125551567. The reversal of 125551544 is 445155521.

It is a self number, because there is not a number n which added to its sum of digits gives 125551544.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 412847 + ... + 413150.

Almost surely, 2^125551544 is an apocalyptic number.

It is an amenable number.

125551544 is a deficient number, since it is larger than the sum of its proper divisors (122247856).

125551544 is a wasteful number, since it uses less digits than its factorization.

125551544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826022 (or 826018 counting only the distinct ones).

The product of its digits is 20000, while the sum is 32.

The square root of 125551544 is about 11204.9785363471. The cubic root of 125551544 is about 500.7343130408.

The spelling of 125551544 in words is "one hundred twenty-five million, five hundred fifty-one thousand, five hundred forty-four".