122873874087 has 4 divisors (see below), whose sum is σ = 163831832120. Its totient is φ = 81915916056.

The previous prime is 122873874083. The next prime is 122873874127. The reversal of 122873874087 is 780478378221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 780478378221 = 3 ⋅260159459407.

It is not a de Polignac number, because 122873874087 - 2² = 122873874083 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122873874083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20478979012 + ... + 20478979017.

It is an arithmetic number, because the mean of its divisors is an integer number (40957958030).

Almost surely, 2^122873874087 is an apocalyptic number.

122873874087 is a deficient number, since it is larger than the sum of its proper divisors (40957958033).

122873874087 is an equidigital number, since it uses as much as digits as its factorization.

122873874087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40957958032.

The product of its (nonzero) digits is 8429568, while the sum is 57.

The spelling of 122873874087 in words is "one hundred twenty-two billion, eight hundred seventy-three million, eight hundred seventy-four thousand, eighty-seven".