1122249959 has 2 divisors, whose sum is σ = 1122249960. Its totient is φ = 1122249958.

The previous prime is 1122249943. The next prime is 1122249967. The reversal of 1122249959 is 9599422211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1122249959 - 2⁴ = 1122249943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1122249979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561124979 + 561124980.

It is an arithmetic number, because the mean of its divisors is an integer number (561124980).

Almost surely, 2^1122249959 is an apocalyptic number.

1122249959 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122249959 is an equidigital number, since it uses as much as digits as its factorization.

1122249959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116640, while the sum is 44.

The square root of 1122249959 is about 33499.9993880597. Note that the first 3 decimals coincide. The cubic root of 1122249959 is about 1039.1937658660.

The spelling of 1122249959 in words is "one billion, one hundred twenty-two million, two hundred forty-nine thousand, nine hundred fifty-nine".