122128862473 has 4 divisors (see below), whose sum is σ = 128556697360. Its totient is φ = 115701027588.

The previous prime is 122128862459. The next prime is 122128862501. The reversal of 122128862473 is 374268821221.

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: 374268821221 = 17 ⋅22015813013.

It is a cyclic number.

It is not a de Polignac number, because 122128862473 - 2⁵ = 122128862441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122128812473) 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, 3213917415 + ... + 3213917452.

It is an arithmetic number, because the mean of its divisors is an integer number (32139174340).

Almost surely, 2^122128862473 is an apocalyptic number.

It is an amenable number.

122128862473 is a deficient number, since it is larger than the sum of its proper divisors (6427834887).

122128862473 is an equidigital number, since it uses as much as digits as its factorization.

122128862473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6427834886.

The product of its digits is 516096, while the sum is 46.

The spelling of 122128862473 in words is "one hundred twenty-two billion, one hundred twenty-eight million, eight hundred sixty-two thousand, four hundred seventy-three".