122982397 has 2 divisors, whose sum is σ = 122982398. Its totient is φ = 122982396.

The previous prime is 122982367. The next prime is 122982401. The reversal of 122982397 is 793289221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75012921 + 47969476 = 8661^2 + 6926^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122982397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122982337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61491198 + 61491199.

It is an arithmetic number, because the mean of its divisors is an integer number (61491199).

Almost surely, 2^122982397 is an apocalyptic number.

It is an amenable number.

122982397 is a deficient number, since it is larger than the sum of its proper divisors (1).

122982397 is an equidigital number, since it uses as much as digits as its factorization.

122982397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 43.

The square root of 122982397 is about 11089.7428734845. The cubic root of 122982397 is about 497.2952577883.

The spelling of 122982397 in words is "one hundred twenty-two million, nine hundred eighty-two thousand, three hundred ninety-seven".