122178687241 has 8 divisors (see below), whose sum is σ = 132854496320. Its totient is φ = 111685370832.

The previous prime is 122178687223. The next prime is 122178687263. The reversal of 122178687241 is 142786871221.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 122178687241 - 2²³ = 122170298633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122178688241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45621771 + ... + 45624448.

It is an arithmetic number, because the mean of its divisors is an integer number (16606812040).

Almost surely, 2^122178687241 is an apocalyptic number.

It is an amenable number.

122178687241 is a deficient number, since it is larger than the sum of its proper divisors (10675809079).

122178687241 is a wasteful number, since it uses less digits than its factorization.

122178687241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91246335.

The product of its digits is 602112, while the sum is 49.

The spelling of 122178687241 in words is "one hundred twenty-two billion, one hundred seventy-eight million, six hundred eighty-seven thousand, two hundred forty-one".