1284327199 has 8 divisors (see below), whose sum is σ = 1340946432. Its totient is φ = 1227772920.

The previous prime is 1284327197. The next prime is 1284327229. The reversal of 1284327199 is 9917234821.

It is a happy number.

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 1284327199 - 2¹ = 1284327197 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 (1284327193) 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, 26614 + ... + 57244.

It is an arithmetic number, because the mean of its divisors is an integer number (167618304).

Almost surely, 2^1284327199 is an apocalyptic number.

1284327199 is a deficient number, since it is larger than the sum of its proper divisors (56619233).

1284327199 is a wasteful number, since it uses less digits than its factorization.

1284327199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32477.

The product of its digits is 217728, while the sum is 46.

The square root of 1284327199 is about 35837.5110603401. The cubic root of 1284327199 is about 1086.9891939219.

The spelling of 1284327199 in words is "one billion, two hundred eighty-four million, three hundred twenty-seven thousand, one hundred ninety-nine".