106208015 has 32 divisors (see below), whose sum is σ = 137134080. Its totient is φ = 78825600.

The previous prime is 106208009. The next prime is 106208021. The reversal of 106208015 is 510802601.

It is an interprime number because it is at equal distance from previous prime (106208009) and next prime (106208021).

It is a de Polignac number, because none of the positive numbers 2^k-106208015 is a prime.

It is a super-2 number, since 2×106208015² = 22560284900480450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 444266 + ... + 444504.

It is an arithmetic number, because the mean of its divisors is an integer number (4285440).

Almost surely, 2^106208015 is an apocalyptic number.

106208015 is a deficient number, since it is larger than the sum of its proper divisors (30926065).

106208015 is a wasteful number, since it uses less digits than its factorization.

106208015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 106208015 is about 10305.7272911716. The cubic root of 106208015 is about 473.5717244021.

The spelling of 106208015 in words is "one hundred six million, two hundred eight thousand, fifteen".