100001199 has 8 divisors (see below), whose sum is σ = 140352640. Its totient is φ = 63158616.

The previous prime is 100001183. The next prime is 100001203. The reversal of 100001199 is 991100001.

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

It is not a de Polignac number, because 100001199 - 2⁴ = 100001183 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 (100001119) 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 7 ways as a sum of consecutive naturals, for example, 877147 + ... + 877260.

It is an arithmetic number, because the mean of its divisors is an integer number (17544080).

Almost surely, 2^100001199 is an apocalyptic number.

100001199 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

100001199 is a deficient number, since it is larger than the sum of its proper divisors (40351441).

100001199 is a wasteful number, since it uses less digits than its factorization.

100001199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1754429.

The product of its (nonzero) digits is 81, while the sum is 21.

The square root of 100001199 is about 10000.0599498203. The cubic root of 100001199 is about 464.1607384422.

The spelling of 100001199 in words is "one hundred million, one thousand, one hundred ninety-nine".