1123101899 has 2 divisors, whose sum is σ = 1123101900. Its totient is φ = 1123101898.

The previous prime is 1123101877. The next prime is 1123101929. The reversal of 1123101899 is 9981013211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1123101899 - 2²⁰ = 1122053323 is a prime.

It is a super-2 number, since 2×1123101899² = 2522715751074812402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1123103899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561550949 + 561550950.

It is an arithmetic number, because the mean of its divisors is an integer number (561550950).

Almost surely, 2^1123101899 is an apocalyptic number.

1123101899 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123101899 is an equidigital number, since it uses as much as digits as its factorization.

1123101899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 35.

The square root of 1123101899 is about 33512.7124983938. The cubic root of 1123101899 is about 1039.4566623789.

The spelling of 1123101899 in words is "one billion, one hundred twenty-three million, one hundred one thousand, eight hundred ninety-nine".