100881472 has 28 divisors (see below), whose sum is σ = 203970636. Its totient is φ = 49487360.

The previous prime is 100881467. The next prime is 100881479. The reversal of 100881472 is 274188001.

It can be written as a sum of positive squares in 2 ways, for example, as 82011136 + 18870336 = 9056^2 + 4344^2 .

It is not an unprimeable number, because it can be changed into a prime (100881479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11479 + ... + 18262.

Almost surely, 2^100881472 is an apocalyptic number.

It is an amenable number.

100881472 is an abundant number, since it is smaller than the sum of its proper divisors (103089164).

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

100881472 is an equidigital number, since it uses as much as digits as its factorization.

100881472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29806 (or 29796 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 31.

The square root of 100881472 is about 10043.9769016063. The cubic root of 100881472 is about 465.5187058660.

The spelling of 100881472 in words is "one hundred million, eight hundred eighty-one thousand, four hundred seventy-two".