107720015 has 8 divisors (see below), whose sum is σ = 139207488. Its totient is φ = 79547040.

The previous prime is 107719991. The next prime is 107720021. The reversal of 107720015 is 510027701.

It is a happy number.

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

It is not a de Polignac number, because 107720015 - 2²⁴ = 90942799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 828551 + ... + 828680.

It is an arithmetic number, because the mean of its divisors is an integer number (17400936).

Almost surely, 2^107720015 is an apocalyptic number.

107720015 is a deficient number, since it is larger than the sum of its proper divisors (31487473).

107720015 is a wasteful number, since it uses less digits than its factorization.

107720015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1657249.

The product of its (nonzero) digits is 490, while the sum is 23.

The square root of 107720015 is about 10378.8253188885. The cubic root of 107720015 is about 475.8084330827.

Adding to 107720015 its reverse (510027701), we get a palindrome (617747716).

The spelling of 107720015 in words is "one hundred seven million, seven hundred twenty thousand, fifteen".