125554125 has 32 divisors (see below), whose sum is σ = 218020608. Its totient is φ = 64046400.

The previous prime is 125554069. The next prime is 125554127. The reversal of 125554125 is 521455521.

It is not a de Polignac number, because 125554125 - 2⁷ = 125553997 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 125554092 and 125554101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125554127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1347 + ... + 15903.

It is an arithmetic number, because the mean of its divisors is an integer number (6813144).

Almost surely, 2^125554125 is an apocalyptic number.

125554125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125554125 is a deficient number, since it is larger than the sum of its proper divisors (92466483).

125554125 is a wasteful number, since it uses less digits than its factorization.

125554125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14598 (or 14588 counting only the distinct ones).

The product of its digits is 10000, while the sum is 30.

The square root of 125554125 is about 11205.0937077742. The cubic root of 125554125 is about 500.7377442648.

The spelling of 125554125 in words is "one hundred twenty-five million, five hundred fifty-four thousand, one hundred twenty-five".