122615443 has 2 divisors, whose sum is σ = 122615444. Its totient is φ = 122615442.

The previous prime is 122615401. The next prime is 122615453. The reversal of 122615443 is 344516221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122615443 is a prime.

It is not a weakly prime, because it can be changed into another prime (122615453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61307721 + 61307722.

It is an arithmetic number, because the mean of its divisors is an integer number (61307722).

Almost surely, 2^122615443 is an apocalyptic number.

122615443 is a deficient number, since it is larger than the sum of its proper divisors (1).

122615443 is an equidigital number, since it uses as much as digits as its factorization.

122615443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 28.

The square root of 122615443 is about 11073.1857656232. The cubic root of 122615443 is about 496.8001563522.

The spelling of 122615443 in words is "one hundred twenty-two million, six hundred fifteen thousand, four hundred forty-three".