122520677 has 2 divisors, whose sum is σ = 122520678. Its totient is φ = 122520676.

The previous prime is 122520661. The next prime is 122520691. The reversal of 122520677 is 776025221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81739681 + 40780996 = 9041^2 + 6386^2 .

It is a cyclic number.

It is not a de Polignac number, because 122520677 - 2⁴ = 122520661 is a prime.

It is a super-2 number, since 2×122520677² = 30022632585076658, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122520637) 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, 61260338 + 61260339.

It is an arithmetic number, because the mean of its divisors is an integer number (61260339).

Almost surely, 2^122520677 is an apocalyptic number.

It is an amenable number.

122520677 is a deficient number, since it is larger than the sum of its proper divisors (1).

122520677 is an equidigital number, since it uses as much as digits as its factorization.

122520677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 122520677 is about 11068.9058628213. The cubic root of 122520677 is about 496.6721357795.

Adding to 122520677 its reverse (776025221), we get a palindrome (898545898).

The spelling of 122520677 in words is "one hundred twenty-two million, five hundred twenty thousand, six hundred seventy-seven".