100842687 has 12 divisors (see below), whose sum is σ = 158903784. Its totient is φ = 61116720.

The previous prime is 100842673. The next prime is 100842701. The reversal of 100842687 is 786248001.

It is an interprime number because it is at equal distance from previous prime (100842673) and next prime (100842701).

It is not a de Polignac number, because 100842687 - 2¹⁶ = 100777151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100842617) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 509208 + ... + 509405.

It is an arithmetic number, because the mean of its divisors is an integer number (13241982).

Almost surely, 2^100842687 is an apocalyptic number.

100842687 is a deficient number, since it is larger than the sum of its proper divisors (58061097).

100842687 is a wasteful number, since it uses less digits than its factorization.

100842687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018630 (or 1018627 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 100842687 is about 10042.0459568755. The cubic root of 100842687 is about 465.4590402770.

The spelling of 100842687 in words is "one hundred million, eight hundred forty-two thousand, six hundred eighty-seven".