120118137 has 4 divisors (see below), whose sum is σ = 160157520. Its totient is φ = 80078756.

The previous prime is 120118127. The next prime is 120118139. The reversal of 120118137 is 731811021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 120118137 - 2¹¹ = 120116089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120118139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20019687 + ... + 20019692.

It is an arithmetic number, because the mean of its divisors is an integer number (40039380).

Almost surely, 2^120118137 is an apocalyptic number.

It is an amenable number.

120118137 is a deficient number, since it is larger than the sum of its proper divisors (40039383).

120118137 is an equidigital number, since it uses as much as digits as its factorization.

120118137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40039382.

The product of its (nonzero) digits is 336, while the sum is 24.

The square root of 120118137 is about 10959.8420152847. The cubic root of 120118137 is about 493.4042233877.

Adding to 120118137 its reverse (731811021), we get a palindrome (851929158).

The spelling of 120118137 in words is "one hundred twenty million, one hundred eighteen thousand, one hundred thirty-seven".