122245579 has 2 divisors, whose sum is σ = 122245580. Its totient is φ = 122245578.

The previous prime is 122245577. The next prime is 122245583. The reversal of 122245579 is 975542221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122245579 - 2¹ = 122245577 is a prime.

Together with 122245577, it forms a pair of twin primes.

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (122245577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61122789 + 61122790.

It is an arithmetic number, because the mean of its divisors is an integer number (61122790).

Almost surely, 2^122245579 is an apocalyptic number.

122245579 is a deficient number, since it is larger than the sum of its proper divisors (1).

122245579 is an equidigital number, since it uses as much as digits as its factorization.

122245579 is an evil number, because the sum of its binary digits is even.

The product of its digits is 50400, while the sum is 37.

The square root of 122245579 is about 11056.4722674097. The cubic root of 122245579 is about 496.3001280927.

The spelling of 122245579 in words is "one hundred twenty-two million, two hundred forty-five thousand, five hundred seventy-nine".