1122192 has 30 divisors (see below), whose sum is σ = 3140982. Its totient is φ = 374016.

The previous prime is 1122181. The next prime is 1122227. The reversal of 1122192 is 2912211.

It can be written as a sum of positive squares in only one way, i.e., 1115136 + 7056 = 1056^2 + 84^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3753 + ... + 4040.

2^1122192 is an apocalyptic number.

1122192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1122192 is an abundant number, since it is smaller than the sum of its proper divisors (2018790).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1122192 is a wasteful number, since it uses less digits than its factorization.

1122192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7807 (or 7798 counting only the distinct ones).

The product of its digits is 72, while the sum is 18.

The square root of 1122192 is about 1059.3356408618. The cubic root of 1122192 is about 103.9175875714.

It can be divided in two parts, 112 and 2192, that added together give a square (2304 = 48²).

The spelling of 1122192 in words is "one million, one hundred twenty-two thousand, one hundred ninety-two".