107021115 has 64 divisors (see below), whose sum is σ = 197406720. Its totient is φ = 54979200.

The previous prime is 107021071. The next prime is 107021119. The reversal of 107021115 is 511120701.

It is a happy number.

It is not a de Polignac number, because 107021115 - 2⁶ = 107021051 is a prime.

It is a super-2 number, since 2×107021115² = 22907038111686450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (107021119) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 640762 + ... + 640928.

It is an arithmetic number, because the mean of its divisors is an integer number (3084480).

Almost surely, 2^107021115 is an apocalyptic number.

107021115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

107021115 is a deficient number, since it is larger than the sum of its proper divisors (90385605).

107021115 is a wasteful number, since it uses less digits than its factorization.

107021115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329 (or 323 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 18.

The square root of 107021115 is about 10345.1010144899. The cubic root of 107021115 is about 474.7771660243. Note that the first 3 decimals are identical.

Adding to 107021115 its reverse (511120701), we get a palindrome (618141816).

The spelling of 107021115 in words is "one hundred seven million, twenty-one thousand, one hundred fifteen".