107137221 has 32 divisors (see below), whose sum is σ = 150698880. Its totient is φ = 67651584.

The previous prime is 107137189. The next prime is 107137249. The reversal of 107137221 is 122731701.

It is not a de Polignac number, because 107137221 - 2⁵ = 107137189 is a prime.

It is a super-2 number, since 2×107137221² = 22956768247205682, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 107137191 and 107137200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107137721) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 948061 + ... + 948173.

It is an arithmetic number, because the mean of its divisors is an integer number (4709340).

Almost surely, 2^107137221 is an apocalyptic number.

It is an amenable number.

107137221 is a deficient number, since it is larger than the sum of its proper divisors (43561659).

107137221 is a wasteful number, since it uses less digits than its factorization.

107137221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325.

The product of its (nonzero) digits is 588, while the sum is 24.

The square root of 107137221 is about 10350.7111349897. The cubic root of 107137221 is about 474.9487974356.

Adding to 107137221 its reverse (122731701), we get a palindrome (229868922).

The spelling of 107137221 in words is "one hundred seven million, one hundred thirty-seven thousand, two hundred twenty-one".