125678100 has 36 divisors (see below), whose sum is σ = 363629504. Its totient is φ = 33514080.

The previous prime is 125678081. The next prime is 125678107. The reversal of 125678100 is 1876521.

It is a super-2 number, since 2×125678100² = 31589969639220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125678107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 209164 + ... + 209763.

Almost surely, 2^125678100 is an apocalyptic number.

125678100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125678100 is an abundant number, since it is smaller than the sum of its proper divisors (237951404).

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

125678100 is a wasteful number, since it uses less digits than its factorization.

125678100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418944 (or 418937 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 125678100 is about 11210.6244250711. The cubic root of 125678100 is about 500.9025033287.

The spelling of 125678100 in words is "one hundred twenty-five million, six hundred seventy-eight thousand, one hundred".