1122342131 has 4 divisors (see below), whose sum is σ = 1122509664. Its totient is φ = 1122174600.

The previous prime is 1122342119. The next prime is 1122342149. The reversal of 1122342131 is 1312432211.

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 1122342131 - 2¹⁰ = 1122341107 is a prime.

It is a super-2 number, since 2×1122342131² = 2519303718035242322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122342101) 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, 73280 + ... + 87261.

It is an arithmetic number, because the mean of its divisors is an integer number (280627416).

Almost surely, 2^1122342131 is an apocalyptic number.

1122342131 is a deficient number, since it is larger than the sum of its proper divisors (167533).

1122342131 is an equidigital number, since it uses as much as digits as its factorization.

1122342131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167532.

The product of its digits is 288, while the sum is 20.

The square root of 1122342131 is about 33501.3750613314. The cubic root of 1122342131 is about 1039.2222152457. Note that the first 4 decimals are identical.

Adding to 1122342131 its reverse (1312432211), we get a palindrome (2434774342).

The spelling of 1122342131 in words is "one billion, one hundred twenty-two million, three hundred forty-two thousand, one hundred thirty-one".