122491199 has 8 divisors (see below), whose sum is σ = 126607488. Its totient is φ = 118385280.

The previous prime is 122491189. The next prime is 122491217. The reversal of 122491199 is 991194221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122491199 - 2⁴ = 122491183 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 (122491189) 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, 26939 + ... + 31155.

It is an arithmetic number, because the mean of its divisors is an integer number (15825936).

Almost surely, 2^122491199 is an apocalyptic number.

122491199 is a deficient number, since it is larger than the sum of its proper divisors (4116289).

122491199 is an equidigital number, since it uses as much as digits as its factorization.

122491199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5185.

The product of its digits is 11664, while the sum is 38.

The square root of 122491199 is about 11067.5742147952. The cubic root of 122491199 is about 496.6323001210.

The spelling of 122491199 in words is "one hundred twenty-two million, four hundred ninety-one thousand, one hundred ninety-nine".