1122281239 has 2 divisors, whose sum is σ = 1122281240. Its totient is φ = 1122281238.

The previous prime is 1122281213. The next prime is 1122281267. The reversal of 1122281239 is 9321822211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1122281239 - 2¹⁷ = 1122150167 is a prime.

It is a super-2 number, since 2×1122281239² = 2519030358822750242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1122281239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1122281339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561140619 + 561140620.

It is an arithmetic number, because the mean of its divisors is an integer number (561140620).

Almost surely, 2^1122281239 is an apocalyptic number.

1122281239 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122281239 is an equidigital number, since it uses as much as digits as its factorization.

1122281239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 31.

The square root of 1122281239 is about 33500.4662504867. The cubic root of 1122281239 is about 1039.2034207795.

The spelling of 1122281239 in words is "one billion, one hundred twenty-two million, two hundred eighty-one thousand, two hundred thirty-nine".