122813377 has 2 divisors, whose sum is σ = 122813378. Its totient is φ = 122813376.

The previous prime is 122813329. The next prime is 122813393. The reversal of 122813377 is 773318221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94945536 + 27867841 = 9744^2 + 5279^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122813377 is a prime.

It is not a weakly prime, because it can be changed into another prime (122810377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61406688 + 61406689.

It is an arithmetic number, because the mean of its divisors is an integer number (61406689).

Almost surely, 2^122813377 is an apocalyptic number.

It is an amenable number.

122813377 is a deficient number, since it is larger than the sum of its proper divisors (1).

122813377 is an equidigital number, since it uses as much as digits as its factorization.

122813377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14112, while the sum is 34.

The square root of 122813377 is about 11082.1196979639. The cubic root of 122813377 is about 497.0673352515.

The spelling of 122813377 in words is "one hundred twenty-two million, eight hundred thirteen thousand, three hundred seventy-seven".