122947567 has 2 divisors, whose sum is σ = 122947568. Its totient is φ = 122947566.

The previous prime is 122947543. The next prime is 122947579. The reversal of 122947567 is 765749221.

It is a strong prime.

It is an emirp because it is prime and its reverse (765749221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122947567 - 2²³ = 114558959 is a prime.

It is a super-2 number, since 2×122947567² = 30232208462438978, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122947267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61473783 + 61473784.

It is an arithmetic number, because the mean of its divisors is an integer number (61473784).

Almost surely, 2^122947567 is an apocalyptic number.

122947567 is a deficient number, since it is larger than the sum of its proper divisors (1).

122947567 is an equidigital number, since it uses as much as digits as its factorization.

122947567 is an evil number, because the sum of its binary digits is even.

The product of its digits is 211680, while the sum is 43.

The square root of 122947567 is about 11088.1723922385. The cubic root of 122947567 is about 497.2483068163.

The spelling of 122947567 in words is "one hundred twenty-two million, nine hundred forty-seven thousand, five hundred sixty-seven".