122698427 has 4 divisors (see below), whose sum is σ = 122720640. Its totient is φ = 122676216.

The previous prime is 122698423. The next prime is 122698453. The reversal of 122698427 is 724896221.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 122698427 - 2² = 122698423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122698421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4349 + ... + 16257.

It is an arithmetic number, because the mean of its divisors is an integer number (30680160).

Almost surely, 2^122698427 is an apocalyptic number.

122698427 is a deficient number, since it is larger than the sum of its proper divisors (22213).

122698427 is a wasteful number, since it uses less digits than its factorization.

122698427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22212.

The product of its digits is 96768, while the sum is 41.

The square root of 122698427 is about 11076.9322016522. The cubic root of 122698427 is about 496.9122063143.

The spelling of 122698427 in words is "one hundred twenty-two million, six hundred ninety-eight thousand, four hundred twenty-seven".