1122311279 has 2 divisors, whose sum is σ = 1122311280. Its totient is φ = 1122311278.

The previous prime is 1122311273. The next prime is 1122311299. The reversal of 1122311279 is 9721132211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1122311279 - 2⁸ = 1122311023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1122311273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561155639 + 561155640.

It is an arithmetic number, because the mean of its divisors is an integer number (561155640).

Almost surely, 2^1122311279 is an apocalyptic number.

1122311279 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122311279 is an equidigital number, since it uses as much as digits as its factorization.

1122311279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1512, while the sum is 29.

The square root of 1122311279 is about 33500.9145994553. The cubic root of 1122311279 is about 1039.2126927847.

The spelling of 1122311279 in words is "one billion, one hundred twenty-two million, three hundred eleven thousand, two hundred seventy-nine".