1326131 has 4 divisors (see below), whose sum is σ = 1345992. Its totient is φ = 1306272.

The previous prime is 1326109. The next prime is 1326133. The reversal of 1326131 is 1316231.

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

It is a cyclic number.

It is not a de Polignac number, because 1326131 - 2¹⁴ = 1309747 is a prime.

It is a super-2 number, since 2×1326131² = 3517246858322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1326133) 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, 9830 + ... + 9963.

It is an arithmetic number, because the mean of its divisors is an integer number (336498).

2^1326131 is an apocalyptic number.

1326131 is a deficient number, since it is larger than the sum of its proper divisors (19861).

1326131 is an equidigital number, since it uses as much as digits as its factorization.

1326131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19860.

The product of its digits is 108, while the sum is 17.

The square root of 1326131 is about 1151.5776135372. The cubic root of 1326131 is about 109.8657038767.

The spelling of 1326131 in words is "one million, three hundred twenty-six thousand, one hundred thirty-one".