1122312049 has 2 divisors, whose sum is σ = 1122312050. Its totient is φ = 1122312048.

The previous prime is 1122311987. The next prime is 1122312053. The reversal of 1122312049 is 9402132211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 648466225 + 473845824 = 25465^2 + 21768^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1122312049 is a prime.

It is not a weakly prime, because it can be changed into another prime (1122312449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561156024 + 561156025.

It is an arithmetic number, because the mean of its divisors is an integer number (561156025).

Almost surely, 2^1122312049 is an apocalyptic number.

It is an amenable number.

1122312049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122312049 is an equidigital number, since it uses as much as digits as its factorization.

1122312049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1122312049 is about 33500.9260916769. The cubic root of 1122312049 is about 1039.2129304471.

The spelling of 1122312049 in words is "one billion, one hundred twenty-two million, three hundred twelve thousand, forty-nine".