122490773 has 2 divisors, whose sum is σ = 122490774. Its totient is φ = 122490772.

The previous prime is 122490749. The next prime is 122490799. The reversal of 122490773 is 377094221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66210769 + 56280004 = 8137^2 + 7502^2 .

It is a cyclic number.

It is not a de Polignac number, because 122490773 - 2¹⁰ = 122489749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122490713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61245386 + 61245387.

It is an arithmetic number, because the mean of its divisors is an integer number (61245387).

Almost surely, 2^122490773 is an apocalyptic number.

It is an amenable number.

122490773 is a deficient number, since it is larger than the sum of its proper divisors (1).

122490773 is an equidigital number, since it uses as much as digits as its factorization.

122490773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 122490773 is about 11067.5549693688. The cubic root of 122490773 is about 496.6317243909.

The spelling of 122490773 in words is "one hundred twenty-two million, four hundred ninety thousand, seven hundred seventy-three".