122957347 has 2 divisors, whose sum is σ = 122957348. Its totient is φ = 122957346.

The previous prime is 122957293. The next prime is 122957369. The reversal of 122957347 is 743759221.

It is a strong prime.

It is an emirp because it is prime and its reverse (743759221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122957347 - 2²³ = 114568739 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (122957147) 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, 61478673 + 61478674.

It is an arithmetic number, because the mean of its divisors is an integer number (61478674).

Almost surely, 2^122957347 is an apocalyptic number.

122957347 is a deficient number, since it is larger than the sum of its proper divisors (1).

122957347 is an equidigital number, since it uses as much as digits as its factorization.

122957347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105840, while the sum is 40.

The square root of 122957347 is about 11088.6133939280. The cubic root of 122957347 is about 497.2614911887.

The spelling of 122957347 in words is "one hundred twenty-two million, nine hundred fifty-seven thousand, three hundred forty-seven".