106172507 has 8 divisors (see below), whose sum is σ = 121976832. Its totient is φ = 90527400.

The previous prime is 106172501. The next prime is 106172527. The reversal of 106172507 is 705271601.

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

It is a cyclic number.

It is not a de Polignac number, because 106172507 - 2⁴ = 106172491 is a prime.

It is a super-2 number, since 2×106172507² = 22545202485330098, 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 106172507.

It is not an unprimeable number, because it can be changed into a prime (106172501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38369 + ... + 41042.

It is an arithmetic number, because the mean of its divisors is an integer number (15247104).

Almost surely, 2^106172507 is an apocalyptic number.

106172507 is a deficient number, since it is larger than the sum of its proper divisors (15804325).

106172507 is an equidigital number, since it uses as much as digits as its factorization.

106172507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79609.

The product of its (nonzero) digits is 2940, while the sum is 29.

The square root of 106172507 is about 10304.0044157599. The cubic root of 106172507 is about 473.5189428894.

The spelling of 106172507 in words is "one hundred six million, one hundred seventy-two thousand, five hundred seven".