107220137 has 8 divisors (see below), whose sum is σ = 108882120. Its totient is φ = 105563520.

The previous prime is 107220133. The next prime is 107220187. The reversal of 107220137 is 731022701.

It can be written as a sum of positive squares in 4 ways, for example, as 32501401 + 74718736 = 5701^2 + 8644^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 107220137 - 2² = 107220133 is a prime.

It is a super-2 number, since 2×107220137² = 22992315556597538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (107220133) 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 7 ways as a sum of consecutive naturals, for example, 59039 + ... + 60827.

It is an arithmetic number, because the mean of its divisors is an integer number (13610265).

Almost surely, 2^107220137 is an apocalyptic number.

It is an amenable number.

107220137 is a deficient number, since it is larger than the sum of its proper divisors (1661983).

107220137 is an equidigital number, since it uses as much as digits as its factorization.

107220137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2683.

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 107220137 is about 10354.7156889989. The cubic root of 107220137 is about 475.0712905002.

Adding to 107220137 its reverse (731022701), we get a palindrome (838242838).

The spelling of 107220137 in words is "one hundred seven million, two hundred twenty thousand, one hundred thirty-seven".