1121871323 has 2 divisors, whose sum is σ = 1121871324. Its totient is φ = 1121871322.

The previous prime is 1121871301. The next prime is 1121871349. The reversal of 1121871323 is 3231781211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1121871323 - 2¹⁸ = 1121609179 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1121871823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560935661 + 560935662.

It is an arithmetic number, because the mean of its divisors is an integer number (560935662).

Almost surely, 2^1121871323 is an apocalyptic number.

1121871323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121871323 is an equidigital number, since it uses as much as digits as its factorization.

1121871323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 29.

The square root of 1121871323 is about 33494.3476276222. The cubic root of 1121871323 is about 1039.0768814983.

The spelling of 1121871323 in words is "one billion, one hundred twenty-one million, eight hundred seventy-one thousand, three hundred twenty-three".