1122045497 has 2 divisors, whose sum is σ = 1122045498. Its totient is φ = 1122045496.

The previous prime is 1122045479. The next prime is 1122045541. The reversal of 1122045497 is 7945402211.

Together with previous prime (1122045479) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 582691321 + 539354176 = 24139^2 + 23224^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122045497 - 2⁶ = 1122045433 is a prime.

It is not a weakly prime, because it can be changed into another prime (1122045427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561022748 + 561022749.

It is an arithmetic number, because the mean of its divisors is an integer number (561022749).

Almost surely, 2^1122045497 is an apocalyptic number.

It is an amenable number.

1122045497 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122045497 is an equidigital number, since it uses as much as digits as its factorization.

1122045497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 1122045497 is about 33496.9475773540. The cubic root of 1122045497 is about 1039.1306520178.

The spelling of 1122045497 in words is "one billion, one hundred twenty-two million, forty-five thousand, four hundred ninety-seven".