122271563 has 2 divisors, whose sum is σ = 122271564. Its totient is φ = 122271562.

The previous prime is 122271559. The next prime is 122271571. The reversal of 122271563 is 365172221.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (365172221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122271563 - 2² = 122271559 is a prime.

It is not a weakly prime, because it can be changed into another prime (122271503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61135781 + 61135782.

It is an arithmetic number, because the mean of its divisors is an integer number (61135782).

Almost surely, 2^122271563 is an apocalyptic number.

122271563 is a deficient number, since it is larger than the sum of its proper divisors (1).

122271563 is an equidigital number, since it uses as much as digits as its factorization.

122271563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 29.

The square root of 122271563 is about 11057.6472633196. The cubic root of 122271563 is about 496.3352894159.

The spelling of 122271563 in words is "one hundred twenty-two million, two hundred seventy-one thousand, five hundred sixty-three".