122715283 has 2 divisors, whose sum is σ = 122715284. Its totient is φ = 122715282.

The previous prime is 122715239. The next prime is 122715287. The reversal of 122715283 is 382517221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122715283 is a prime.

It is not a weakly prime, because it can be changed into another prime (122715287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61357641 + 61357642.

It is an arithmetic number, because the mean of its divisors is an integer number (61357642).

Almost surely, 2^122715283 is an apocalyptic number.

122715283 is a deficient number, since it is larger than the sum of its proper divisors (1).

122715283 is an equidigital number, since it uses as much as digits as its factorization.

122715283 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6720, while the sum is 31.

The square root of 122715283 is about 11077.6930360071. The cubic root of 122715283 is about 496.9349601203.

The spelling of 122715283 in words is "one hundred twenty-two million, seven hundred fifteen thousand, two hundred eighty-three".