122463557 has 2 divisors, whose sum is σ = 122463558. Its totient is φ = 122463556.

The previous prime is 122463553. The next prime is 122463581. The reversal of 122463557 is 755364221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99720196 + 22743361 = 9986^2 + 4769^2 .

It is a cyclic number.

It is not a de Polignac number, because 122463557 - 2² = 122463553 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122463553) 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, 61231778 + 61231779.

It is an arithmetic number, because the mean of its divisors is an integer number (61231779).

Almost surely, 2^122463557 is an apocalyptic number.

It is an amenable number.

122463557 is a deficient number, since it is larger than the sum of its proper divisors (1).

122463557 is an equidigital number, since it uses as much as digits as its factorization.

122463557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50400, while the sum is 35.

The square root of 122463557 is about 11066.3253612028. The cubic root of 122463557 is about 496.5949397693.

The spelling of 122463557 in words is "one hundred twenty-two million, four hundred sixty-three thousand, five hundred fifty-seven".