122664172115 has 8 divisors (see below), whose sum is σ = 151175304240. Its totient is φ = 95479139232.

The previous prime is 122664172067. The next prime is 122664172153. The reversal of 122664172115 is 511271466221.

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 122664172115 - 2¹² = 122664168019 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 331524605 + ... + 331524974.

It is an arithmetic number, because the mean of its divisors is an integer number (18896913030).

Almost surely, 2^122664172115 is an apocalyptic number.

122664172115 is a deficient number, since it is larger than the sum of its proper divisors (28511132125).

122664172115 is an equidigital number, since it uses as much as digits as its factorization.

122664172115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663049621.

The product of its digits is 40320, while the sum is 38.

The spelling of 122664172115 in words is "one hundred twenty-two billion, six hundred sixty-four million, one hundred seventy-two thousand, one hundred fifteen".