100880612 has 54 divisors (see below), whose sum is σ = 210727062. Its totient is φ = 42133056.

The previous prime is 100880609. The next prime is 100880617. The reversal of 100880612 is 216088001.

It can be written as a sum of positive squares in only one way, i.e., 73170916 + 27709696 = 8554^2 + 5264^2 .

It is not an unprimeable number, because it can be changed into a prime (100880617) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 432848 + ... + 433080.

It is an arithmetic number, because the mean of its divisors is an integer number (3902353).

Almost surely, 2^100880612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100880612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105363531).

100880612 is an abundant number, since it is smaller than the sum of its proper divisors (109846450).

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

100880612 is a wasteful number, since it uses less digits than its factorization.

100880612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345 (or 289 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 100880612 is about 10043.9340897877. The cubic root of 100880612 is about 465.5173830356.

The spelling of 100880612 in words is "one hundred million, eight hundred eighty thousand, six hundred twelve".