120138227 has 8 divisors (see below), whose sum is σ = 133533360. Its totient is φ = 107155360.

The previous prime is 120138203. The next prime is 120138229. The reversal of 120138227 is 722831021.

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 120138227 - 2⁸ = 120137971 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120138196 and 120138205.

It is not an unprimeable number, because it can be changed into a prime (120138229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102452 + ... + 103617.

It is an arithmetic number, because the mean of its divisors is an integer number (16691670).

Almost surely, 2^120138227 is an apocalyptic number.

120138227 is a deficient number, since it is larger than the sum of its proper divisors (13395133).

120138227 is a wasteful number, since it uses less digits than its factorization.

120138227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206133.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 120138227 is about 10960.7585047751. The cubic root of 120138227 is about 493.4317294705.

Adding to 120138227 its reverse (722831021), we get a palindrome (842969248).

The spelling of 120138227 in words is "one hundred twenty million, one hundred thirty-eight thousand, two hundred twenty-seven".