2126331 has 10 divisors (see below), whose sum is σ = 3176492. Its totient is φ = 1417500.

The previous prime is 2126329. The next prime is 2126339. The reversal of 2126331 is 1336212.

It is not a de Polignac number, because 2126331 - 2¹ = 2126329 is a prime.

It is a super-2 number, since 2×2126331² = 9042567043122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2126339) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 13045 + ... + 13206.

2^2126331 is an apocalyptic number.

2126331 is a deficient number, since it is larger than the sum of its proper divisors (1050161).

2126331 is an equidigital number, since it uses as much as digits as its factorization.

2126331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26263 (or 26254 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 2126331 is about 1458.1944314802. The cubic root of 2126331 is about 128.5909160938.

The spelling of 2126331 in words is "two million, one hundred twenty-six thousand, three hundred thirty-one".