1229213983 has 8 divisors (see below), whose sum is σ = 1273052160. Its totient is φ = 1186112760.

The previous prime is 1229213971. The next prime is 1229214013. The reversal of 1229213983 is 3893129221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1229213983 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 (1229213933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180843 + ... + 187516.

It is an arithmetic number, because the mean of its divisors is an integer number (159131520).

Almost surely, 2^1229213983 is an apocalyptic number.

1229213983 is a deficient number, since it is larger than the sum of its proper divisors (43838177).

1229213983 is an equidigital number, since it uses as much as digits as its factorization.

1229213983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368477.

The product of its digits is 46656, while the sum is 40.

The square root of 1229213983 is about 35060.1480744163. The cubic root of 1229213983 is about 1071.2129904199.

The spelling of 1229213983 in words is "one billion, two hundred twenty-nine million, two hundred thirteen thousand, nine hundred eighty-three".