100518870 has 16 divisors (see below), whose sum is σ = 241245360. Its totient is φ = 26805024.

The previous prime is 100518851. The next prime is 100518877. The reversal of 100518870 is 78815001.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 3350629 = 100518870 / (1 + 0 + 0 + 5 + 1 + 8 + 8 + 7 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100518877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1675285 + ... + 1675344.

It is an arithmetic number, because the mean of its divisors is an integer number (15077835).

Almost surely, 2^100518870 is an apocalyptic number.

100518870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100518870 is an abundant number, since it is smaller than the sum of its proper divisors (140726490).

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

100518870 is a wasteful number, since it uses less digits than its factorization.

100518870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3350639.

The product of its (nonzero) digits is 2240, while the sum is 30.

The square root of 100518870 is about 10025.9099337666. The cubic root of 100518870 is about 464.9602925974.

The spelling of 100518870 in words is "one hundred million, five hundred eighteen thousand, eight hundred seventy".