122424000681 has 4 divisors (see below), whose sum is σ = 163232000912. Its totient is φ = 81616000452.

The previous prime is 122424000661. The next prime is 122424000709. The reversal of 122424000681 is 186000424221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 186000424221 = 3 ⋅62000141407.

It is not a de Polignac number, because 122424000681 - 2⁵ = 122424000649 is a prime.

It is a super-2 number, since 2×122424000681² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122424000631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20404000111 + ... + 20404000116.

It is an arithmetic number, because the mean of its divisors is an integer number (40808000228).

Almost surely, 2^122424000681 is an apocalyptic number.

It is an amenable number.

122424000681 is a deficient number, since it is larger than the sum of its proper divisors (40808000231).

122424000681 is an equidigital number, since it uses as much as digits as its factorization.

122424000681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40808000230.

The product of its (nonzero) digits is 6144, while the sum is 30.

The spelling of 122424000681 in words is "one hundred twenty-two billion, four hundred twenty-four million, six hundred eighty-one", and thus it is an aban number.