125005144 has 32 divisors (see below), whose sum is σ = 263946240. Its totient is φ = 54986400.

The previous prime is 125005121. The next prime is 125005151. The reversal of 125005144 is 441500521.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20184 + ... + 25639.

It is an arithmetic number, because the mean of its divisors is an integer number (8248320).

Almost surely, 2^125005144 is an apocalyptic number.

It is an amenable number.

125005144 is an abundant number, since it is smaller than the sum of its proper divisors (138941096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125005144 is a wasteful number, since it uses less digits than its factorization.

125005144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45871 (or 45867 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 125005144 is about 11180.5699318058. The cubic root of 125005144 is about 500.0068585726.

Adding to 125005144 its reverse (441500521), we get a palindrome (566505665).

The spelling of 125005144 in words is "one hundred twenty-five million, five thousand, one hundred forty-four".