122264647 has 2 divisors, whose sum is σ = 122264648. Its totient is φ = 122264646.

The previous prime is 122264621. The next prime is 122264657. The reversal of 122264647 is 746462221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122264647 is a prime.

It is equal to p_6963271 and since 122264647 and 6963271 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122264657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61132323 + 61132324.

It is an arithmetic number, because the mean of its divisors is an integer number (61132324).

Almost surely, 2^122264647 is an apocalyptic number.

122264647 is a deficient number, since it is larger than the sum of its proper divisors (1).

122264647 is an equidigital number, since it uses as much as digits as its factorization.

122264647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 34.

The square root of 122264647 is about 11057.3345341452. The cubic root of 122264647 is about 496.3259312313.

The spelling of 122264647 in words is "one hundred twenty-two million, two hundred sixty-four thousand, six hundred forty-seven".