101299971 has 24 divisors (see below), whose sum is σ = 143134992. Its totient is φ = 63686400.

The previous prime is 101299967. The next prime is 101299999. The reversal of 101299971 is 179992101.

It is not a de Polignac number, because 101299971 - 2² = 101299967 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101299901) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117775 + ... + 118631.

It is an arithmetic number, because the mean of its divisors is an integer number (5963958).

Almost surely, 2^101299971 is an apocalyptic number.

101299971 is a deficient number, since it is larger than the sum of its proper divisors (41835021).

101299971 is an equidigital number, since it uses as much as digits as its factorization.

101299971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963 (or 932 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 39.

The square root of 101299971 is about 10064.7886714029. The cubic root of 101299971 is about 466.1615405737.

It can be divided in two parts, 10129 and 9971, that added together give a triangular number (20100 = T₂₀₀).

The spelling of 101299971 in words is "one hundred one million, two hundred ninety-nine thousand, nine hundred seventy-one".