122143647694 has 8 divisors (see below), whose sum is σ = 191181361680. Its totient is φ = 58416527136.

The previous prime is 122143647683. The next prime is 122143647749. The reversal of 122143647694 is 496746341221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1327648299 + ... + 1327648390.

It is an arithmetic number, because the mean of its divisors is an integer number (23897670210).

Almost surely, 2^122143647694 is an apocalyptic number.

122143647694 is a deficient number, since it is larger than the sum of its proper divisors (69037713986).

122143647694 is a wasteful number, since it uses less digits than its factorization.

122143647694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2655296714.

The product of its digits is 1741824, while the sum is 49.

The spelling of 122143647694 in words is "one hundred twenty-two billion, one hundred forty-three million, six hundred forty-seven thousand, six hundred ninety-four".