120101131 has 4 divisors (see below), whose sum is σ = 122070064. Its totient is φ = 118132200.

The previous prime is 120101119. The next prime is 120101153. The reversal of 120101131 is 131101021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120101131 is a prime.

It is a super-2 number, since 2×120101131² = 28848563334958322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120101231) 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, 984375 + ... + 984496.

It is an arithmetic number, because the mean of its divisors is an integer number (30517516).

Almost surely, 2^120101131 is an apocalyptic number.

120101131 is a deficient number, since it is larger than the sum of its proper divisors (1968933).

120101131 is an equidigital number, since it uses as much as digits as its factorization.

120101131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1968932.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 120101131 is about 10959.0661554715. The cubic root of 120101131 is about 493.3809373449.

Adding to 120101131 its reverse (131101021), we get a palindrome (251202152).

The spelling of 120101131 in words is "one hundred twenty million, one hundred one thousand, one hundred thirty-one".