1206304243 has 12 divisors (see below), whose sum is σ = 1278303768. Its totient is φ = 1138176000.

The previous prime is 1206304217. The next prime is 1206304249. The reversal of 1206304243 is 3424036021.

It is a de Polignac number, because none of the positive numbers 2^k-1206304243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1206304249) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83955 + ... + 97267.

It is an arithmetic number, because the mean of its divisors is an integer number (106525314).

Almost surely, 2^1206304243 is an apocalyptic number.

1206304243 is a deficient number, since it is larger than the sum of its proper divisors (71999525).

1206304243 is a wasteful number, since it uses less digits than its factorization.

1206304243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13602 (or 13583 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 1206304243 is about 34731.8908641611. The cubic root of 1206304243 is about 1064.5162248409.

The spelling of 1206304243 in words is "one billion, two hundred six million, three hundred four thousand, two hundred forty-three".