101497979 has 8 divisors (see below), whose sum is σ = 112285440. Its totient is φ = 90970600.

The previous prime is 101497969. The next prime is 101498009. The reversal of 101497979 is 979794101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101497979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101497969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64199 + ... + 65760.

It is an arithmetic number, because the mean of its divisors is an integer number (14035680).

Almost surely, 2^101497979 is an apocalyptic number.

101497979 is a deficient number, since it is larger than the sum of its proper divisors (10787461).

101497979 is a wasteful number, since it uses less digits than its factorization.

101497979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130041.

The product of its (nonzero) digits is 142884, while the sum is 47.

The square root of 101497979 is about 10074.6205387598. The cubic root of 101497979 is about 466.4650735282.

The spelling of 101497979 in words is "one hundred one million, four hundred ninety-seven thousand, nine hundred seventy-nine".