1122391368 has 96 divisors (see below), whose sum is σ = 3478800000. Its totient is φ = 320246784.

The previous prime is 1122391367. The next prime is 1122391393. The reversal of 1122391368 is 8631932211.

It is a super-2 number, since 2×1122391368² = 2519524765921822848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1122391367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 628605 + ... + 630387.

It is an arithmetic number, because the mean of its divisors is an integer number (36237500).

Almost surely, 2^1122391368 is an apocalyptic number.

1122391368 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1122391368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1739400000).

1122391368 is an abundant number, since it is smaller than the sum of its proper divisors (2356408632).

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

1122391368 is a wasteful number, since it uses less digits than its factorization.

1122391368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3051 (or 3044 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 1122391368 is about 33502.1099037061. The cubic root of 1122391368 is about 1039.2374118703.

The spelling of 1122391368 in words is "one billion, one hundred twenty-two million, three hundred ninety-one thousand, three hundred sixty-eight".