1122259399 has 2 divisors, whose sum is σ = 1122259400. Its totient is φ = 1122259398.

The previous prime is 1122259363. The next prime is 1122259409. The reversal of 1122259399 is 9939522211.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1122259399 - 2¹⁷ = 1122128327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1122253399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561129699 + 561129700.

It is an arithmetic number, because the mean of its divisors is an integer number (561129700).

Almost surely, 2^1122259399 is an apocalyptic number.

1122259399 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122259399 is an equidigital number, since it uses as much as digits as its factorization.

1122259399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 87480, while the sum is 43.

The square root of 1122259399 is about 33500.1402832884. The cubic root of 1122259399 is about 1039.1966796440.

The spelling of 1122259399 in words is "one billion, one hundred twenty-two million, two hundred fifty-nine thousand, three hundred ninety-nine".