122535247 has 2 divisors, whose sum is σ = 122535248. Its totient is φ = 122535246.

The previous prime is 122535233. The next prime is 122535253. The reversal of 122535247 is 742535221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122535247 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122535277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61267623 + 61267624.

It is an arithmetic number, because the mean of its divisors is an integer number (61267624).

Almost surely, 2^122535247 is an apocalyptic number.

122535247 is a deficient number, since it is larger than the sum of its proper divisors (1).

122535247 is an equidigital number, since it uses as much as digits as its factorization.

122535247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16800, while the sum is 31.

The square root of 122535247 is about 11069.5639932203. The cubic root of 122535247 is about 496.6918228679.

The spelling of 122535247 in words is "one hundred twenty-two million, five hundred thirty-five thousand, two hundred forty-seven".