1130551421 has 2 divisors, whose sum is σ = 1130551422. Its totient is φ = 1130551420.

The previous prime is 1130551403. The next prime is 1130551441. The reversal of 1130551421 is 1241550311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1120240900 + 10310521 = 33470^2 + 3211^2 .

It is a cyclic number.

It is not a de Polignac number, because 1130551421 - 2¹⁰ = 1130550397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1130551441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565275710 + 565275711.

It is an arithmetic number, because the mean of its divisors is an integer number (565275711).

Almost surely, 2^1130551421 is an apocalyptic number.

It is an amenable number.

1130551421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1130551421 is an equidigital number, since it uses as much as digits as its factorization.

1130551421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 1130551421 is about 33623.6735203041. The cubic root of 1130551421 is about 1041.7498343353.

It can be divided in two parts, 11305 and 51421, that added together give a palindrome (62726).

The spelling of 1130551421 in words is "one billion, one hundred thirty million, five hundred fifty-one thousand, four hundred twenty-one".