122239799 has 8 divisors (see below), whose sum is σ = 135613440. Its totient is φ = 109243000.

The previous prime is 122239771. The next prime is 122239813. The reversal of 122239799 is 997932221.

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 122239799 - 2¹² = 122235703 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 (122239709) 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, 93527 + ... + 94824.

It is an arithmetic number, because the mean of its divisors is an integer number (16951680).

Almost surely, 2^122239799 is an apocalyptic number.

122239799 is a deficient number, since it is larger than the sum of its proper divisors (13373641).

122239799 is a wasteful number, since it uses less digits than its factorization.

122239799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188421.

The product of its digits is 122472, while the sum is 44.

The square root of 122239799 is about 11056.2108789585. The cubic root of 122239799 is about 496.2923059695.

It can be divided in two parts, 12223 and 9799, that added together give a palindrome (22022).

The spelling of 122239799 in words is "one hundred twenty-two million, two hundred thirty-nine thousand, seven hundred ninety-nine".