1000122199 has 4 divisors (see below), whose sum is σ = 1015049464. Its totient is φ = 985194936.

The previous prime is 1000122191. The next prime is 1000122239. The reversal of 1000122199 is 9912210001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9912210001 = 32077 ⋅309013.

It is a cyclic number.

It is not a de Polignac number, because 1000122199 - 2³ = 1000122191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000122191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7463532 + ... + 7463665.

It is an arithmetic number, because the mean of its divisors is an integer number (253762366).

Almost surely, 2^1000122199 is an apocalyptic number.

1000122199 is a deficient number, since it is larger than the sum of its proper divisors (14927265).

1000122199 is an equidigital number, since it uses as much as digits as its factorization.

1000122199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14927264.

The product of its (nonzero) digits is 324, while the sum is 25.

The square root of 1000122199 is about 31624.7086785001. The cubic root of 1000122199 is about 1000.0407313409.

The spelling of 1000122199 in words is "one billion, one hundred twenty-two thousand, one hundred ninety-nine".