122283149 has 2 divisors, whose sum is σ = 122283150. Its totient is φ = 122283148.

The previous prime is 122283121. The next prime is 122283179. The reversal of 122283149 is 941382221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110103049 + 12180100 = 10493^2 + 3490^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122283149 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122283179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61141574 + 61141575.

It is an arithmetic number, because the mean of its divisors is an integer number (61141575).

Almost surely, 2^122283149 is an apocalyptic number.

It is an amenable number.

122283149 is a deficient number, since it is larger than the sum of its proper divisors (1).

122283149 is an equidigital number, since it uses as much as digits as its factorization.

122283149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 32.

The square root of 122283149 is about 11058.1711417395. The cubic root of 122283149 is about 496.3509658848.

The spelling of 122283149 in words is "one hundred twenty-two million, two hundred eighty-three thousand, one hundred forty-nine".