100881400 has 48 divisors (see below), whose sum is σ = 248354640. Its totient is φ = 37977600.

The previous prime is 100881371. The next prime is 100881413. The reversal of 100881400 is 4188001.

It is a congruent number.

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, 11436 + ... + 18235.

It is an arithmetic number, because the mean of its divisors is an integer number (5174055).

Almost surely, 2^100881400 is an apocalyptic number.

100881400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100881400 is an abundant number, since it is smaller than the sum of its proper divisors (147473240).

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

100881400 is a wasteful number, since it uses less digits than its factorization.

100881400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29704 (or 29695 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 22.

The square root of 100881400 is about 10043.9733173680. The cubic root of 100881400 is about 465.5185951177.

The spelling of 100881400 in words is "one hundred million, eight hundred eighty-one thousand, four hundred".