107220115 has 4 divisors (see below), whose sum is σ = 128664144. Its totient is φ = 85776088.

The previous prime is 107220107. The next prime is 107220119. The reversal of 107220115 is 511022701.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 107220115 - 2³ = 107220107 is a prime.

It is a super-2 number, since 2×107220115² = 22992306121226450, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 107220092 and 107220101.

It is not an unprimeable number, because it can be changed into a prime (107220119) 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 3 ways as a sum of consecutive naturals, for example, 10722007 + ... + 10722016.

It is an arithmetic number, because the mean of its divisors is an integer number (32166036).

Almost surely, 2^107220115 is an apocalyptic number.

107220115 is a deficient number, since it is larger than the sum of its proper divisors (21444029).

107220115 is an equidigital number, since it uses as much as digits as its factorization.

107220115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21444028.

The product of its (nonzero) digits is 140, while the sum is 19.

The square root of 107220115 is about 10354.7146266809. The cubic root of 107220115 is about 475.0712580076.

Adding to 107220115 its reverse (511022701), we get a palindrome (618242816).

The spelling of 107220115 in words is "one hundred seven million, two hundred twenty thousand, one hundred fifteen".