100691248 has 60 divisors (see below), whose sum is σ = 231128560. Its totient is φ = 41626368.

The previous prime is 100691209. The next prime is 100691281. The reversal of 100691248 is 842196001.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93658 + ... + 94726.

Almost surely, 2^100691248 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 100691248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115564280).

100691248 is an abundant number, since it is smaller than the sum of its proper divisors (130437312).

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

100691248 is a wasteful number, since it uses less digits than its factorization.

100691248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142 (or 1107 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 100691248 is about 10034.5028775720. The cubic root of 100691248 is about 465.2259248234.

The spelling of 100691248 in words is "one hundred million, six hundred ninety-one thousand, two hundred forty-eight".