122711584427 has 4 divisors (see below), whose sum is σ = 122764005216. Its totient is φ = 122659163640.

The previous prime is 122711584403. The next prime is 122711584439. The reversal of 122711584427 is 724485117221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122711584427 - 2¹⁴ = 122711568043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122711583427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26206883 + ... + 26211564.

It is an arithmetic number, because the mean of its divisors is an integer number (30691001304).

Almost surely, 2^122711584427 is an apocalyptic number.

122711584427 is a deficient number, since it is larger than the sum of its proper divisors (52420789).

122711584427 is an equidigital number, since it uses as much as digits as its factorization.

122711584427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52420788.

The product of its digits is 250880, while the sum is 44.

The spelling of 122711584427 in words is "one hundred twenty-two billion, seven hundred eleven million, five hundred eighty-four thousand, four hundred twenty-seven".