1122831 has 6 divisors (see below), whose sum is σ = 1621880. Its totient is φ = 748548.

The previous prime is 1122811. The next prime is 1122841. The reversal of 1122831 is 1382211.

1122831 is an esthetic number in base 9, because in such base its adjacent digits differ by 1.

It is not a de Polignac number, because 1122831 - 2¹¹ = 1120783 is a prime.

It is a super-2 number, since 2×1122831² = 2521498909122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122811) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62371 + ... + 62388.

2^1122831 is an apocalyptic number.

1122831 is a deficient number, since it is larger than the sum of its proper divisors (499049).

1122831 is a wasteful number, since it uses less digits than its factorization.

1122831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124765 (or 124762 counting only the distinct ones).

The product of its digits is 96, while the sum is 18.

The square root of 1122831 is about 1059.6372020649. The cubic root of 1122831 is about 103.9373081238.

It can be divided in two parts, 1122 and 831, that added together give a triangular number (1953 = T₆₂).

The spelling of 1122831 in words is "one million, one hundred twenty-two thousand, eight hundred thirty-one".