100690971 has 4 divisors (see below), whose sum is σ = 134254632. Its totient is φ = 67127312.

The previous prime is 100690963. The next prime is 100690973. The reversal of 100690971 is 179096001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100690971 - 2³ = 100690963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100690973) 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, 16781826 + ... + 16781831.

It is an arithmetic number, because the mean of its divisors is an integer number (33563658).

Almost surely, 2^100690971 is an apocalyptic number.

100690971 is a deficient number, since it is larger than the sum of its proper divisors (33563661).

100690971 is an equidigital number, since it uses as much as digits as its factorization.

100690971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33563660.

The product of its (nonzero) digits is 3402, while the sum is 33.

The square root of 100690971 is about 10034.4890751846. The cubic root of 100690971 is about 465.2254982134.

The spelling of 100690971 in words is "one hundred million, six hundred ninety thousand, nine hundred seventy-one".