1121752923 has 4 divisors (see below), whose sum is σ = 1495670568. Its totient is φ = 747835280.

The previous prime is 1121752873. The next prime is 1121752943. The reversal of 1121752923 is 3292571211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1121752923 - 2⁶ = 1121752859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1121752943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186958818 + ... + 186958823.

It is an arithmetic number, because the mean of its divisors is an integer number (373917642).

Almost surely, 2^1121752923 is an apocalyptic number.

1121752923 is a deficient number, since it is larger than the sum of its proper divisors (373917645).

1121752923 is an equidigital number, since it uses as much as digits as its factorization.

1121752923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373917644.

The product of its digits is 7560, while the sum is 33.

The square root of 1121752923 is about 33492.5801185875. The cubic root of 1121752923 is about 1039.0403261975.

The spelling of 1121752923 in words is "one billion, one hundred twenty-one million, seven hundred fifty-two thousand, nine hundred twenty-three".