106231979 has 4 divisors (see below), whose sum is σ = 121407984. Its totient is φ = 91055976.

The previous prime is 106231933. The next prime is 106232023. The reversal of 106231979 is 979132601.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106231979 is a prime.

It is a super-2 number, since 2×106231979² = 22570466724512882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106231579) 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, 7587992 + ... + 7588005.

It is an arithmetic number, because the mean of its divisors is an integer number (30351996).

Almost surely, 2^106231979 is an apocalyptic number.

106231979 is a deficient number, since it is larger than the sum of its proper divisors (15176005).

106231979 is an equidigital number, since it uses as much as digits as its factorization.

106231979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15176004.

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 106231979 is about 10306.8898800754. The cubic root of 106231979 is about 473.6073394775.

The spelling of 106231979 in words is "one hundred six million, two hundred thirty-one thousand, nine hundred seventy-nine".