1122455639 has 2 divisors, whose sum is σ = 1122455640. Its totient is φ = 1122455638.

The previous prime is 1122455627. The next prime is 1122455641. The reversal of 1122455639 is 9365542211.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1122455639 is a prime.

Together with 1122455641, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1122455669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561227819 + 561227820.

It is an arithmetic number, because the mean of its divisors is an integer number (561227820).

Almost surely, 2^1122455639 is an apocalyptic number.

1122455639 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122455639 is an equidigital number, since it uses as much as digits as its factorization.

1122455639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64800, while the sum is 38.

The square root of 1122455639 is about 33503.0690982184. The cubic root of 1122455639 is about 1039.2572479556.

The spelling of 1122455639 in words is "one billion, one hundred twenty-two million, four hundred fifty-five thousand, six hundred thirty-nine".