101315979 has 12 divisors (see below), whose sum is σ = 146596632. Its totient is φ = 67428000.

The previous prime is 101315957. The next prime is 101315983. The reversal of 101315979 is 979513101.

It is not a de Polignac number, because 101315979 - 2⁵ = 101315947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101315939) 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, 3957 + ... + 14774.

It is an arithmetic number, because the mean of its divisors is an integer number (12216386).

Almost surely, 2^101315979 is an apocalyptic number.

101315979 is a deficient number, since it is larger than the sum of its proper divisors (45280653).

101315979 is a wasteful number, since it uses less digits than its factorization.

101315979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19338 (or 19335 counting only the distinct ones).

The product of its (nonzero) digits is 8505, while the sum is 36.

The square root of 101315979 is about 10065.5838876838. The cubic root of 101315979 is about 466.1860944501.

It can be divided in two parts, 10131 and 5979, that added together give a triangular number (16110 = T₁₇₉).

The spelling of 101315979 in words is "one hundred one million, three hundred fifteen thousand, nine hundred seventy-nine".