122588449 has 2 divisors, whose sum is σ = 122588450. Its totient is φ = 122588448.

The previous prime is 122588443. The next prime is 122588491. The reversal of 122588449 is 944885221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120846049 + 1742400 = 10993^2 + 1320^2 .

It is a cyclic number.

It is not a de Polignac number, because 122588449 - 2³ = 122588441 is a prime.

It is not a weakly prime, because it can be changed into another prime (122588441) 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, 61294224 + 61294225.

It is an arithmetic number, because the mean of its divisors is an integer number (61294225).

Almost surely, 2^122588449 is an apocalyptic number.

It is an amenable number.

122588449 is a deficient number, since it is larger than the sum of its proper divisors (1).

122588449 is an equidigital number, since it uses as much as digits as its factorization.

122588449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 184320, while the sum is 43.

The square root of 122588449 is about 11071.9668081150. The cubic root of 122588449 is about 496.7636965411.

The spelling of 122588449 in words is "one hundred twenty-two million, five hundred eighty-eight thousand, four hundred forty-nine".