122671894093 has 4 divisors (see below), whose sum is σ = 140196450400. Its totient is φ = 105147337788.

The previous prime is 122671894087. The next prime is 122671894133. The reversal of 122671894093 is 390498176221.

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: 390498176221 = 149 ⋅2620793129.

It is a cyclic number.

It is not a de Polignac number, because 122671894093 - 2⁵ = 122671894061 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122671894093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122671891093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8762278143 + ... + 8762278156.

It is an arithmetic number, because the mean of its divisors is an integer number (35049112600).

Almost surely, 2^122671894093 is an apocalyptic number.

It is an amenable number.

122671894093 is a deficient number, since it is larger than the sum of its proper divisors (17524556307).

122671894093 is an equidigital number, since it uses as much as digits as its factorization.

122671894093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17524556306.

The product of its (nonzero) digits is 1306368, while the sum is 52.

The spelling of 122671894093 in words is "one hundred twenty-two billion, six hundred seventy-one million, eight hundred ninety-four thousand, ninety-three".