122802457 has 2 divisors, whose sum is σ = 122802458. Its totient is φ = 122802456.

The previous prime is 122802437. The next prime is 122802461. The reversal of 122802457 is 754208221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97239321 + 25563136 = 9861^2 + 5056^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122802457 is a prime.

It is not a weakly prime, because it can be changed into another prime (122802437) 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, 61401228 + 61401229.

It is an arithmetic number, because the mean of its divisors is an integer number (61401229).

Almost surely, 2^122802457 is an apocalyptic number.

It is an amenable number.

122802457 is a deficient number, since it is larger than the sum of its proper divisors (1).

122802457 is an equidigital number, since it uses as much as digits as its factorization.

122802457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 122802457 is about 11081.6270014831. The cubic root of 122802457 is about 497.0526025020.

The spelling of 122802457 in words is "one hundred twenty-two million, eight hundred two thousand, four hundred fifty-seven".