1122398113 has 2 divisors, whose sum is σ = 1122398114. Its totient is φ = 1122398112.

The previous prime is 1122398111. The next prime is 1122398143. The reversal of 1122398113 is 3118932211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 667343889 + 455054224 = 25833^2 + 21332^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122398113 - 2¹ = 1122398111 is a prime.

Together with 1122398111, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1122398111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561199056 + 561199057.

It is an arithmetic number, because the mean of its divisors is an integer number (561199057).

Almost surely, 2^1122398113 is an apocalyptic number.

It is an amenable number.

1122398113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122398113 is an equidigital number, since it uses as much as digits as its factorization.

1122398113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 31.

The square root of 1122398113 is about 33502.2105688565. The cubic root of 1122398113 is about 1039.2394936285.

The spelling of 1122398113 in words is "one billion, one hundred twenty-two million, three hundred ninety-eight thousand, one hundred thirteen".