1209072983 has 2 divisors, whose sum is σ = 1209072984. Its totient is φ = 1209072982.

The previous prime is 1209072913. The next prime is 1209073003. The reversal of 1209072983 is 3892709021.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1209072983 - 2¹⁰ = 1209071959 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1209072983.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1209072913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 604536491 + 604536492.

It is an arithmetic number, because the mean of its divisors is an integer number (604536492).

Almost surely, 2^1209072983 is an apocalyptic number.

1209072983 is a deficient number, since it is larger than the sum of its proper divisors (1).

1209072983 is an equidigital number, since it uses as much as digits as its factorization.

1209072983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 1209072983 is about 34771.7267762186. The cubic root of 1209072983 is about 1065.3300373823.

The spelling of 1209072983 in words is "one billion, two hundred nine million, seventy-two thousand, nine hundred eighty-three".