122797789 has 8 divisors (see below), whose sum is σ = 126913280. Its totient is φ = 118692000.

The previous prime is 122797781. The next prime is 122797811. The reversal of 122797789 is 987797221.

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 122797789 - 2³ = 122797781 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 (122797781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30697 + ... + 34465.

It is an arithmetic number, because the mean of its divisors is an integer number (15864160).

Almost surely, 2^122797789 is an apocalyptic number.

It is an amenable number.

122797789 is a deficient number, since it is larger than the sum of its proper divisors (4115491).

122797789 is a wasteful number, since it uses less digits than its factorization.

122797789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4851.

The product of its digits is 889056, while the sum is 52.

The square root of 122797789 is about 11081.4163805896. The cubic root of 122797789 is about 497.0463043898.

The spelling of 122797789 in words is "one hundred twenty-two million, seven hundred ninety-seven thousand, seven hundred eighty-nine".