1229481211 has 8 divisors (see below), whose sum is σ = 1405363680. Its totient is φ = 1053659328.

The previous prime is 1229481199. The next prime is 1229481229. The reversal of 1229481211 is 1121849221.

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 1229481211 - 2⁵ = 1229481179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1229487211) 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, 43485 + ... + 65953.

It is an arithmetic number, because the mean of its divisors is an integer number (175670460).

Almost surely, 2^1229481211 is an apocalyptic number.

1229481211 is a deficient number, since it is larger than the sum of its proper divisors (175882469).

1229481211 is an equidigital number, since it uses as much as digits as its factorization.

1229481211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30293.

The product of its digits is 2304, while the sum is 31.

The square root of 1229481211 is about 35063.9588609159. The cubic root of 1229481211 is about 1071.2906111238.

The spelling of 1229481211 in words is "one billion, two hundred twenty-nine million, four hundred eighty-one thousand, two hundred eleven".