1130344421 has 2 divisors, whose sum is σ = 1130344422. Its totient is φ = 1130344420.

The previous prime is 1130344387. The next prime is 1130344441. The reversal of 1130344421 is 1244430311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 947716225 + 182628196 = 30785^2 + 13514^2 .

It is a cyclic number.

It is not a de Polignac number, because 1130344421 - 2¹⁰ = 1130343397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1130344441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565172210 + 565172211.

It is an arithmetic number, because the mean of its divisors is an integer number (565172211).

Almost surely, 2^1130344421 is an apocalyptic number.

It is an amenable number.

1130344421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1130344421 is an equidigital number, since it uses as much as digits as its factorization.

1130344421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1130344421 is about 33620.5951910432. The cubic root of 1130344421 is about 1041.6862502075.

Adding to 1130344421 its reverse (1244430311), we get a palindrome (2374774732).

The spelling of 1130344421 in words is "one billion, one hundred thirty million, three hundred forty-four thousand, four hundred twenty-one".