122845249 has 2 divisors, whose sum is σ = 122845250. Its totient is φ = 122845248.

The previous prime is 122845223. The next prime is 122845253. The reversal of 122845249 is 942548221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104182849 + 18662400 = 10207^2 + 4320^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122845249 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (122842249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61422624 + 61422625.

It is an arithmetic number, because the mean of its divisors is an integer number (61422625).

Almost surely, 2^122845249 is an apocalyptic number.

It is an amenable number.

122845249 is a deficient number, since it is larger than the sum of its proper divisors (1).

122845249 is an equidigital number, since it uses as much as digits as its factorization.

122845249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46080, while the sum is 37.

The square root of 122845249 is about 11083.5575967286. The cubic root of 122845249 is about 497.1103304589.

The spelling of 122845249 in words is "one hundred twenty-two million, eight hundred forty-five thousand, two hundred forty-nine".