2120131 has 8 divisors (see below), whose sum is σ = 2316384. Its totient is φ = 1928640.

The previous prime is 2120119. The next prime is 2120143. The reversal of 2120131 is 1310212.

It is an interprime number because it is at equal distance from previous prime (2120119) and next prime (2120143).

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 2120131 - 2⁵ = 2120099 is a prime.

It is a super-2 number, since 2×2120131² = 8989910914322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120101) 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, 226 + ... + 2071.

It is an arithmetic number, because the mean of its divisors is an integer number (289548).

2^2120131 is an apocalyptic number.

2120131 is a deficient number, since it is larger than the sum of its proper divisors (196253).

2120131 is a wasteful number, since it uses less digits than its factorization.

2120131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2381.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 2120131 is about 1456.0669627459. The cubic root of 2120131 is about 128.4658117348.

Adding to 2120131 its reverse (1310212), we get a palindrome (3430343).

It can be divided in two parts, 21201 and 31, that multiplied together give a triangular number (657231 = T₁₁₄₆).

The spelling of 2120131 in words is "two million, one hundred twenty thousand, one hundred thirty-one".