120113131 has 4 divisors (see below), whose sum is σ = 120628872. Its totient is φ = 119597392.

The previous prime is 120113113. The next prime is 120113159. The reversal of 120113131 is 131311021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131311021 = 71 ⋅1849451.

It is a cyclic number.

It is not a de Polignac number, because 120113131 - 2²¹ = 118015979 is a prime.

It is a super-2 number, since 2×120113131² = 28854328477246322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120113831) 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, 257521 + ... + 257986.

It is an arithmetic number, because the mean of its divisors is an integer number (30157218).

Almost surely, 2^120113131 is an apocalyptic number.

120113131 is a deficient number, since it is larger than the sum of its proper divisors (515741).

120113131 is an equidigital number, since it uses as much as digits as its factorization.

120113131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515740.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 120113131 is about 10959.6136337008. The cubic root of 120113131 is about 493.3973689805.

Adding to 120113131 its reverse (131311021), we get a palindrome (251424152).

The spelling of 120113131 in words is "one hundred twenty million, one hundred thirteen thousand, one hundred thirty-one".