1122131 has 2 divisors, whose sum is σ = 1122132. Its totient is φ = 1122130.

The previous prime is 1122113. The next prime is 1122133. The reversal of 1122131 is 1312211.

Together with previous prime (1122113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is an emirp because it is prime and its reverse (1312211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1122131 - 2¹⁸ = 859987 is a prime.

It is a super-2 number, since 2×1122131² = 2518355962322, which contains 22 as substring.

Together with 1122133, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1122133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561065 + 561066.

It is an arithmetic number, because the mean of its divisors is an integer number (561066).

2^1122131 is an apocalyptic number.

1122131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122131 is an equidigital number, since it uses as much as digits as its factorization.

1122131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12, while the sum is 11.

The square root of 1122131 is about 1059.3068488403. The cubic root of 1122131 is about 103.9157046233.

Adding to 1122131 its reverse (1312211), we get a palindrome (2434342).

The spelling of 1122131 in words is "one million, one hundred twenty-two thousand, one hundred thirty-one".