2131092 has 18 divisors (see below), whose sum is σ = 5387018. Its totient is φ = 710352.

The previous prime is 2131081. The next prime is 2131093. The reversal of 2131092 is 2901312.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1726596 + 404496 = 1314^2 + 636^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×2131092² = 9083106224928, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131093) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29563 + ... + 29634.

2^2131092 is an apocalyptic number.

It is an amenable number.

2131092 is an abundant number, since it is smaller than the sum of its proper divisors (3255926).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2131092 is a wasteful number, since it uses less digits than its factorization.

2131092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59207 (or 59202 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 2131092 is about 1459.8260170308. The cubic root of 2131092 is about 128.6868191593.

It can be divided in two parts, 21 and 31092, that added together give a palindrome (31113).

The spelling of 2131092 in words is "two million, one hundred thirty-one thousand, ninety-two".