122086799 has 4 divisors (see below), whose sum is σ = 128512440. Its totient is φ = 115661160.

The previous prime is 122086793. The next prime is 122086801. The reversal of 122086799 is 997680221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 997680221 = 12071 ⋅82651.

It is a cyclic number.

It is not a de Polignac number, because 122086799 - 2⁸ = 122086543 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 (122086793) 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, 3212792 + ... + 3212829.

It is an arithmetic number, because the mean of its divisors is an integer number (32128110).

Almost surely, 2^122086799 is an apocalyptic number.

122086799 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

122086799 is a deficient number, since it is larger than the sum of its proper divisors (6425641).

122086799 is an equidigital number, since it uses as much as digits as its factorization.

122086799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6425640.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 122086799 is about 11049.2895246708. The cubic root of 122086799 is about 496.0851600547.

The spelling of 122086799 in words is "one hundred twenty-two million, eighty-six thousand, seven hundred ninety-nine".