1121788323 has 12 divisors (see below), whose sum is σ = 1622763168. Its totient is φ = 746750160.

The previous prime is 1121788319. The next prime is 1121788357. The reversal of 1121788323 is 3238871211.

It is not a de Polignac number, because 1121788323 - 2² = 1121788319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1121788363) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85963 + ... + 98148.

It is an arithmetic number, because the mean of its divisors is an integer number (135230264).

Almost surely, 2^1121788323 is an apocalyptic number.

1121788323 is a deficient number, since it is larger than the sum of its proper divisors (500974845).

1121788323 is a wasteful number, since it uses less digits than its factorization.

1121788323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184794 (or 184791 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 1121788323 is about 33493.1085896786. The cubic root of 1121788323 is about 1039.0512560080.

The spelling of 1121788323 in words is "one billion, one hundred twenty-one million, seven hundred eighty-eight thousand, three hundred twenty-three".