1122249937 has 2 divisors, whose sum is σ = 1122249938. Its totient is φ = 1122249936.

The previous prime is 1122249913. The next prime is 1122249943. The reversal of 1122249937 is 7399422211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 839202961 + 283046976 = 28969^2 + 16824^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122249937 - 2⁷ = 1122249809 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1122249937.

It is not a weakly prime, because it can be changed into another prime (1122249967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561124968 + 561124969.

It is an arithmetic number, because the mean of its divisors is an integer number (561124969).

Almost surely, 2^1122249937 is an apocalyptic number.

It is an amenable number.

1122249937 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122249937 is an equidigital number, since it uses as much as digits as its factorization.

1122249937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 40.

The square root of 1122249937 is about 33499.9990597015. Note that the first 3 decimals coincide. The cubic root of 1122249937 is about 1039.1937590754.

The spelling of 1122249937 in words is "one billion, one hundred twenty-two million, two hundred forty-nine thousand, nine hundred thirty-seven".