122889144463 has 4 divisors (see below), whose sum is σ = 128232150768. Its totient is φ = 117546138160.

The previous prime is 122889144457. The next prime is 122889144467. The reversal of 122889144463 is 364441988221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122889144463 - 2⁵ = 122889144431 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 122889144463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122889144467) 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, 2671503118 + ... + 2671503163.

It is an arithmetic number, because the mean of its divisors is an integer number (32058037692).

Almost surely, 2^122889144463 is an apocalyptic number.

122889144463 is a deficient number, since it is larger than the sum of its proper divisors (5343006305).

122889144463 is an equidigital number, since it uses as much as digits as its factorization.

122889144463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5343006304.

The product of its digits is 2654208, while the sum is 52.

The spelling of 122889144463 in words is "one hundred twenty-two billion, eight hundred eighty-nine million, one hundred forty-four thousand, four hundred sixty-three".