100870250 has 64 divisors (see below), whose sum is σ = 208589472. Its totient is φ = 36288000.

The previous prime is 100870243. The next prime is 100870261. The reversal of 100870250 is 52078001.

It can be written as a sum of positive squares in 16 ways, for example, as 35081929 + 65788321 = 5923^2 + 8111^2 .

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, 132872 + ... + 133628.

Almost surely, 2^100870250 is an apocalyptic number.

100870250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100870250 is an abundant number, since it is smaller than the sum of its proper divisors (107719222).

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

100870250 is a wasteful number, since it uses less digits than its factorization.

100870250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828 (or 818 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 100870250 is about 10043.4182428096. The cubic root of 100870250 is about 465.5014438768.

The spelling of 100870250 in words is "one hundred million, eight hundred seventy thousand, two hundred fifty".