1122132120 has 32 divisors (see below), whose sum is σ = 3366396720. Its totient is φ = 299235200.

The previous prime is 1122132091. The next prime is 1122132199. The reversal of 1122132120 is 212312211.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1122132120.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 4675431 + ... + 4675670.

Almost surely, 2^1122132120 is an apocalyptic number.

1122132120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122132120 is an abundant number, since it is smaller than the sum of its proper divisors (2244264600).

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

1122132120 is a wasteful number, since it uses less digits than its factorization.

1122132120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9351115 (or 9351111 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1122132120 is about 33498.2405508110. The cubic root of 1122132120 is about 1039.1573919609.

Adding to 1122132120 its reverse (212312211), we get a palindrome (1334444331).

The spelling of 1122132120 in words is "one billion, one hundred twenty-two million, one hundred thirty-two thousand, one hundred twenty".