122273513 has 2 divisors, whose sum is σ = 122273514. Its totient is φ = 122273512.

The previous prime is 122273479. The next prime is 122273527. The reversal of 122273513 is 315372221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108826624 + 13446889 = 10432^2 + 3667^2 .

It is a cyclic number.

It is not a de Polignac number, because 122273513 - 2⁶ = 122273449 is a prime.

It is a super-2 number, since 2×122273513² = 29901623962722338, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (122273533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61136756 + 61136757.

It is an arithmetic number, because the mean of its divisors is an integer number (61136757).

Almost surely, 2^122273513 is an apocalyptic number.

It is an amenable number.

122273513 is a deficient number, since it is larger than the sum of its proper divisors (1).

122273513 is an equidigital number, since it uses as much as digits as its factorization.

122273513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2520, while the sum is 26.

The square root of 122273513 is about 11057.7354372403. The cubic root of 122273513 is about 496.3379279380.

The spelling of 122273513 in words is "one hundred twenty-two million, two hundred seventy-three thousand, five hundred thirteen".