1229899 has 8 divisors (see below), whose sum is σ = 1420848. Its totient is φ = 1052160.

The previous prime is 1229897. The next prime is 1229903. The reversal of 1229899 is 9989221.

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 1229899 - 2¹ = 1229897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1229897) 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, 3102 + ... + 3475.

It is an arithmetic number, because the mean of its divisors is an integer number (177606).

2^1229899 is an apocalyptic number.

1229899 is a deficient number, since it is larger than the sum of its proper divisors (190949).

1229899 is a wasteful number, since it uses less digits than its factorization.

1229899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6605.

The product of its digits is 23328, while the sum is 40.

The square root of 1229899 is about 1109.0081153896. The cubic root of 1229899 is about 107.1411942176.

The spelling of 1229899 in words is "one million, two hundred twenty-nine thousand, eight hundred ninety-nine".