122945237 has 2 divisors, whose sum is σ = 122945238. Its totient is φ = 122945236.

The previous prime is 122945227. The next prime is 122945261. The reversal of 122945237 is 732549221.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77598481 + 45346756 = 8809^2 + 6734^2 .

It is a cyclic number.

It is not a de Polignac number, because 122945237 - 2²⁶ = 55836373 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 122945197 and 122945206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122945227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61472618 + 61472619.

It is an arithmetic number, because the mean of its divisors is an integer number (61472619).

Almost surely, 2^122945237 is an apocalyptic number.

It is an amenable number.

122945237 is a deficient number, since it is larger than the sum of its proper divisors (1).

122945237 is an equidigital number, since it uses as much as digits as its factorization.

122945237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 35.

The square root of 122945237 is about 11088.0673248317. The cubic root of 122945237 is about 497.2451656511.

The spelling of 122945237 in words is "one hundred twenty-two million, nine hundred forty-five thousand, two hundred thirty-seven".