1022131 has 4 divisors (see below), whose sum is σ = 1115064. Its totient is φ = 929200.

The previous prime is 1022129. The next prime is 1022137. The reversal of 1022131 is 1312201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1312201 = 11 ⋅119291.

It is a cyclic number.

It is not a de Polignac number, because 1022131 - 2¹ = 1022129 is a prime.

It is a super-2 number, since 2×1022131² = 2089503562322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1022137) 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, 46450 + ... + 46471.

It is an arithmetic number, because the mean of its divisors is an integer number (278766).

2^1022131 is an apocalyptic number.

1022131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1022131 is a deficient number, since it is larger than the sum of its proper divisors (92933).

1022131 is an equidigital number, since it uses as much as digits as its factorization.

1022131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92932.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1022131 is about 1011.0049455863. The cubic root of 1022131 is about 100.7323239252.

Subtracting from 1022131 its sum of digits (10), we obtain a square (1022121 = 1011²).

Adding to 1022131 its reverse (1312201), we get a palindrome (2334332).

The spelling of 1022131 in words is "one million, twenty-two thousand, one hundred thirty-one".