1229099 has 4 divisors (see below), whose sum is σ = 1241136. Its totient is φ = 1217064.

The previous prime is 1229093. The next prime is 1229113. The reversal of 1229099 is 9909221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1229099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1229093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5864 + ... + 6069.

It is an arithmetic number, because the mean of its divisors is an integer number (310284).

2^1229099 is an apocalyptic number.

1229099 is a deficient number, since it is larger than the sum of its proper divisors (12037).

1229099 is a wasteful number, since it uses less digits than its factorization.

1229099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12036.

The product of its (nonzero) digits is 2916, while the sum is 32.

The square root of 1229099 is about 1108.6473740554. The cubic root of 1229099 is about 107.1179588282.

The spelling of 1229099 in words is "one million, two hundred twenty-nine thousand, ninety-nine".