125553375 has 32 divisors (see below), whose sum is σ = 232140480. Its totient is φ = 66960000.

The previous prime is 125553361. The next prime is 125553397. The reversal of 125553375 is 573355521.

125553375 is a `hidden beast` number, since 1 + 2 + 55 + 533 + 75 = 666.

It is not a de Polignac number, because 125553375 - 2⁹ = 125552863 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15226 + ... + 21975.

It is an arithmetic number, because the mean of its divisors is an integer number (7254390).

Almost surely, 2^125553375 is an apocalyptic number.

125553375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

125553375 is a deficient number, since it is larger than the sum of its proper divisors (106587105).

125553375 is an equidigital number, since it uses as much as digits as its factorization.

125553375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37225 (or 37209 counting only the distinct ones).

The product of its digits is 78750, while the sum is 36.

The square root of 125553375 is about 11205.0602408019. The cubic root of 125553375 is about 500.7367472072.

The spelling of 125553375 in words is "one hundred twenty-five million, five hundred fifty-three thousand, three hundred seventy-five".