1230221583 has 6 divisors (see below), whose sum is σ = 1776986744. Its totient is φ = 820147716.

The previous prime is 1230221581. The next prime is 1230221599. The reversal of 1230221583 is 3851220321.

It is not a de Polignac number, because 1230221583 - 2¹ = 1230221581 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 (1230221581) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 68345635 + ... + 68345652.

Almost surely, 2^1230221583 is an apocalyptic number.

1230221583 is a deficient number, since it is larger than the sum of its proper divisors (546765161).

1230221583 is a wasteful number, since it uses less digits than its factorization.

1230221583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136691293 (or 136691290 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1230221583 is about 35074.5147222310. The cubic root of 1230221583 is about 1071.5056054403.

The spelling of 1230221583 in words is "one billion, two hundred thirty million, two hundred twenty-one thousand, five hundred eighty-three".