1122421297 has 2 divisors, whose sum is σ = 1122421298. Its totient is φ = 1122421296.

The previous prime is 1122421291. The next prime is 1122421327. The reversal of 1122421297 is 7921242211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1002102336 + 120318961 = 31656^2 + 10969^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1122421297 is a prime.

It is not a weakly prime, because it can be changed into another prime (1122421291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561210648 + 561210649.

It is an arithmetic number, because the mean of its divisors is an integer number (561210649).

Almost surely, 2^1122421297 is an apocalyptic number.

It is an amenable number.

1122421297 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122421297 is an equidigital number, since it uses as much as digits as its factorization.

1122421297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 31.

The square root of 1122421297 is about 33502.5565740885. The cubic root of 1122421297 is about 1039.2466490107.

The spelling of 1122421297 in words is "one billion, one hundred twenty-two million, four hundred twenty-one thousand, two hundred ninety-seven".