125055504 has 120 divisors (see below), whose sum is σ = 404418560. Its totient is φ = 35334144.

The previous prime is 125055487. The next prime is 125055559. The reversal of 125055504 is 405550521.

It is a nialpdrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97137 + ... + 98415.

Almost surely, 2^125055504 is an apocalyptic number.

125055504 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125055504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202209280).

125055504 is an abundant number, since it is smaller than the sum of its proper divisors (279363056).

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

125055504 is a wasteful number, since it uses less digits than its factorization.

125055504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397 (or 1388 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

The square root of 125055504 is about 11182.8218263549. The cubic root of 125055504 is about 500.0739943825.

The spelling of 125055504 in words is "one hundred twenty-five million, fifty-five thousand, five hundred four".