122594489 has 2 divisors, whose sum is σ = 122594490. Its totient is φ = 122594488.

The previous prime is 122594467. The next prime is 122594503. The reversal of 122594489 is 984495221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78145600 + 44448889 = 8840^2 + 6667^2 .

It is an emirp because it is prime and its reverse (984495221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122594489 - 2¹² = 122590393 is a prime.

It is a super-2 number, since 2×122594489² = 30058817466342242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (122594449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61297244 + 61297245.

It is an arithmetic number, because the mean of its divisors is an integer number (61297245).

Almost surely, 2^122594489 is an apocalyptic number.

It is an amenable number.

122594489 is a deficient number, since it is larger than the sum of its proper divisors (1).

122594489 is an equidigital number, since it uses as much as digits as its factorization.

122594489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 44.

The square root of 122594489 is about 11072.2395656886. The cubic root of 122594489 is about 496.7718550135.

The spelling of 122594489 in words is "one hundred twenty-two million, five hundred ninety-four thousand, four hundred eighty-nine".