122454457 has 2 divisors, whose sum is σ = 122454458. Its totient is φ = 122454456.

The previous prime is 122454439. The next prime is 122454467. The reversal of 122454457 is 754454221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121462441 + 992016 = 11021^2 + 996^2 .

It is a cyclic number.

It is not a de Polignac number, because 122454457 - 2⁷ = 122454329 is a prime.

It is not a weakly prime, because it can be changed into another prime (122454407) 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, 61227228 + 61227229.

It is an arithmetic number, because the mean of its divisors is an integer number (61227229).

Almost surely, 2^122454457 is an apocalyptic number.

It is an amenable number.

122454457 is a deficient number, since it is larger than the sum of its proper divisors (1).

122454457 is an equidigital number, since it uses as much as digits as its factorization.

122454457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 44800, while the sum is 34.

The square root of 122454457 is about 11065.9141963057. The cubic root of 122454457 is about 496.5826391688.

The spelling of 122454457 in words is "one hundred twenty-two million, four hundred fifty-four thousand, four hundred fifty-seven".