101238885 has 36 divisors (see below), whose sum is σ = 192894156. Its totient is φ = 49082880.

The previous prime is 101238877. The next prime is 101238923. The reversal of 101238885 is 588832101.

It can be written as a sum of positive squares in 2 ways, for example, as 47568609 + 53670276 = 6897^2 + 7326^2 .

It is not a de Polignac number, because 101238885 - 2³ = 101238877 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3852 + ... + 14741.

It is an arithmetic number, because the mean of its divisors is an integer number (5358171).

Almost surely, 2^101238885 is an apocalyptic number.

101238885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

101238885 is a deficient number, since it is larger than the sum of its proper divisors (91655271).

101238885 is a wasteful number, since it uses less digits than its factorization.

101238885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18626 (or 18612 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 36.

The square root of 101238885 is about 10061.7535748000. The cubic root of 101238885 is about 466.0678200150.

The spelling of 101238885 in words is "one hundred one million, two hundred thirty-eight thousand, eight hundred eighty-five".