125355400 has 48 divisors (see below), whose sum is σ = 301515300. Its totient is φ = 48410880.

The previous prime is 125355397. The next prime is 125355437. The reversal of 125355400 is 4553521.

It can be written as a sum of positive squares in 6 ways, for example, as 92659876 + 32695524 = 9626^2 + 5718^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5007 + ... + 16606.

Almost surely, 2^125355400 is an apocalyptic number.

125355400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125355400 is an abundant number, since it is smaller than the sum of its proper divisors (176159900).

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

125355400 is a wasteful number, since it uses less digits than its factorization.

125355400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21658 (or 21649 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 125355400 is about 11196.2225772802. Note that the first 3 decimals coincide. The cubic root of 125355400 is about 500.4734182755.

The spelling of 125355400 in words is "one hundred twenty-five million, three hundred fifty-five thousand, four hundred".