1153221199 has 8 divisors (see below), whose sum is σ = 1253325920. Its totient is φ = 1054744416.

The previous prime is 1153221191. The next prime is 1153221229. The reversal of 1153221199 is 9911223511.

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 1153221199 - 2³ = 1153221191 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 (1153221191) 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, 405507 + ... + 408340.

It is an arithmetic number, because the mean of its divisors is an integer number (156665740).

Almost surely, 2^1153221199 is an apocalyptic number.

1153221199 is a deficient number, since it is larger than the sum of its proper divisors (100104721).

1153221199 is a wasteful number, since it uses less digits than its factorization.

1153221199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813969.

The product of its digits is 4860, while the sum is 34.

The square root of 1153221199 is about 33959.1106921250. The cubic root of 1153221199 is about 1048.6668489495. Note that the first 3 decimals are identical.

The spelling of 1153221199 in words is "one billion, one hundred fifty-three million, two hundred twenty-one thousand, one hundred ninety-nine".