1123372799 has 4 divisors (see below), whose sum is σ = 1153734264. Its totient is φ = 1093011336.

The previous prime is 1123372787. The next prime is 1123372813. The reversal of 1123372799 is 9972733211.

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 1123372799 - 2⁸ = 1123372543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123372729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15180677 + ... + 15180750.

It is an arithmetic number, because the mean of its divisors is an integer number (288433566).

Almost surely, 2^1123372799 is an apocalyptic number.

1123372799 is a deficient number, since it is larger than the sum of its proper divisors (30361465).

1123372799 is an equidigital number, since it uses as much as digits as its factorization.

1123372799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30361464.

The product of its digits is 142884, while the sum is 44.

The square root of 1123372799 is about 33516.7540045273. The cubic root of 1123372799 is about 1039.5402303890.

The spelling of 1123372799 in words is "one billion, one hundred twenty-three million, three hundred seventy-two thousand, seven hundred ninety-nine".