125889100 has 36 divisors (see below), whose sum is σ = 273704704. Its totient is φ = 50258880.

The previous prime is 125889091. The next prime is 125889139. The reversal of 125889100 is 1988521.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74869 + ... + 76531.

Almost surely, 2^125889100 is an apocalyptic number.

125889100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125889100 is an abundant number, since it is smaller than the sum of its proper divisors (147815604).

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

125889100 is a wasteful number, since it uses less digits than its factorization.

125889100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2434 (or 2427 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 34.

The square root of 125889100 is about 11220.0311942525. The cubic root of 125889100 is about 501.1826670583.

The spelling of 125889100 in words is "one hundred twenty-five million, eight hundred eighty-nine thousand, one hundred".