122938357 has 2 divisors, whose sum is σ = 122938358. Its totient is φ = 122938356.

The previous prime is 122938331. The next prime is 122938397. The reversal of 122938357 is 753839221.

It is an a-pointer prime, because the next prime (122938397) can be obtained adding 122938357 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108868356 + 14070001 = 10434^2 + 3751^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122938357 is a prime.

It is a super-2 number, since 2×122938357² = 30227679243718898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122938397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61469178 + 61469179.

It is an arithmetic number, because the mean of its divisors is an integer number (61469179).

Almost surely, 2^122938357 is an apocalyptic number.

It is an amenable number.

122938357 is a deficient number, since it is larger than the sum of its proper divisors (1).

122938357 is an equidigital number, since it uses as much as digits as its factorization.

122938357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 40.

The square root of 122938357 is about 11087.7570770648. The cubic root of 122938357 is about 497.2358902191.

The spelling of 122938357 in words is "one hundred twenty-two million, nine hundred thirty-eight thousand, three hundred fifty-seven".