1201006199 has 8 divisors (see below), whose sum is σ = 1244997648. Its totient is φ = 1157621760.

The previous prime is 1201006187. The next prime is 1201006201. The reversal of 1201006199 is 9916001021.

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 1201006199 - 2⁸ = 1201005943 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 (1201006159) 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, 147722 + ... + 155639.

It is an arithmetic number, because the mean of its divisors is an integer number (155624706).

Almost surely, 2^1201006199 is an apocalyptic number.

1201006199 is a deficient number, since it is larger than the sum of its proper divisors (43991449).

1201006199 is a wasteful number, since it uses less digits than its factorization.

1201006199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303505.

The product of its (nonzero) digits is 972, while the sum is 29.

The square root of 1201006199 is about 34655.5363398116. The cubic root of 1201006199 is about 1062.9554989812.

The spelling of 1201006199 in words is "one billion, two hundred one million, six thousand, one hundred ninety-nine".