1122004813 has 2 divisors, whose sum is σ = 1122004814. Its totient is φ = 1122004812.

The previous prime is 1122004787. The next prime is 1122004823. The reversal of 1122004813 is 3184002211.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1109023204 + 12981609 = 33302^2 + 3603^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1122004813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1122004823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561002406 + 561002407.

It is an arithmetic number, because the mean of its divisors is an integer number (561002407).

Almost surely, 2^1122004813 is an apocalyptic number.

It is an amenable number.

1122004813 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122004813 is an equidigital number, since it uses as much as digits as its factorization.

1122004813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 1122004813 is about 33496.3402926350. The cubic root of 1122004813 is about 1039.1180926630.

The spelling of 1122004813 in words is "one billion, one hundred twenty-two million, four thousand, eight hundred thirteen".