1210220983 has 2 divisors, whose sum is σ = 1210220984. Its totient is φ = 1210220982.

The previous prime is 1210220959. The next prime is 1210220989. The reversal of 1210220983 is 3890220121.

It is a strong prime.

It is an emirp because it is prime and its reverse (3890220121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1210220983 - 2²¹ = 1208123831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1210220989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605110491 + 605110492.

It is an arithmetic number, because the mean of its divisors is an integer number (605110492).

Almost surely, 2^1210220983 is an apocalyptic number.

1210220983 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210220983 is an equidigital number, since it uses as much as digits as its factorization.

1210220983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 1210220983 is about 34788.2305241299. The cubic root of 1210220983 is about 1065.6671033356.

The spelling of 1210220983 in words is "one billion, two hundred ten million, two hundred twenty thousand, nine hundred eighty-three".