106215079 has 4 divisors (see below), whose sum is σ = 106718680. Its totient is φ = 105711480.

The previous prime is 106215059. The next prime is 106215089. The reversal of 106215079 is 970512601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 970512601 = 10093 ⋅96157.

It is a cyclic number.

It is not a de Polignac number, because 106215079 - 2⁵ = 106215047 is a prime.

It is a super-2 number, since 2×106215079² = 22563286013952482, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 106215079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106215029) 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, 251484 + ... + 251905.

It is an arithmetic number, because the mean of its divisors is an integer number (26679670).

Almost surely, 2^106215079 is an apocalyptic number.

106215079 is a deficient number, since it is larger than the sum of its proper divisors (503601).

106215079 is an equidigital number, since it uses as much as digits as its factorization.

106215079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503600.

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 106215079 is about 10306.0700075247. The cubic root of 106215079 is about 473.5822234105.

The spelling of 106215079 in words is "one hundred six million, two hundred fifteen thousand, seventy-nine".