122680457 has 2 divisors, whose sum is σ = 122680458. Its totient is φ = 122680456.

The previous prime is 122680447. The next prime is 122680463. The reversal of 122680457 is 754086221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69039481 + 53640976 = 8309^2 + 7324^2 .

It is a cyclic number.

It is not a de Polignac number, because 122680457 - 2¹² = 122676361 is a prime.

It is not a weakly prime, because it can be changed into another prime (122680447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61340228 + 61340229.

It is an arithmetic number, because the mean of its divisors is an integer number (61340229).

Almost surely, 2^122680457 is an apocalyptic number.

It is an amenable number.

122680457 is a deficient number, since it is larger than the sum of its proper divisors (1).

122680457 is an equidigital number, since it uses as much as digits as its factorization.

122680457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 122680457 is about 11076.1210267855. The cubic root of 122680457 is about 496.8879464317.

The spelling of 122680457 in words is "one hundred twenty-two million, six hundred eighty thousand, four hundred fifty-seven".