122452049 has 2 divisors, whose sum is σ = 122452050. Its totient is φ = 122452048.

The previous prime is 122452021. The next prime is 122452087. The reversal of 122452049 is 940254221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113571649 + 8880400 = 10657^2 + 2980^2 .

It is an emirp because it is prime and its reverse (940254221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122452049 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (122452009) 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, 61226024 + 61226025.

It is an arithmetic number, because the mean of its divisors is an integer number (61226025).

Almost surely, 2^122452049 is an apocalyptic number.

It is an amenable number.

122452049 is a deficient number, since it is larger than the sum of its proper divisors (1).

122452049 is an equidigital number, since it uses as much as digits as its factorization.

122452049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 122452049 is about 11065.8053931921. The cubic root of 122452049 is about 496.5793841387.

The spelling of 122452049 in words is "one hundred twenty-two million, four hundred fifty-two thousand, forty-nine".