1130021273 has 2 divisors, whose sum is σ = 1130021274. Its totient is φ = 1130021272.

The previous prime is 1130021227. The next prime is 1130021281. The reversal of 1130021273 is 3721200311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1110022489 + 19998784 = 33317^2 + 4472^2 .

It is a cyclic number.

It is not a de Polignac number, because 1130021273 - 2⁸ = 1130021017 is a prime.

It is not a weakly prime, because it can be changed into another prime (1130027273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565010636 + 565010637.

It is an arithmetic number, because the mean of its divisors is an integer number (565010637).

Almost surely, 2^1130021273 is an apocalyptic number.

It is an amenable number.

1130021273 is a deficient number, since it is larger than the sum of its proper divisors (1).

1130021273 is an equidigital number, since it uses as much as digits as its factorization.

1130021273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 1130021273 is about 33615.7890432457. The cubic root of 1130021273 is about 1041.5869734132.

Adding to 1130021273 its reverse (3721200311), we get a palindrome (4851221584).

The spelling of 1130021273 in words is "one billion, one hundred thirty million, twenty-one thousand, two hundred seventy-three".