1133130421 has 2 divisors, whose sum is σ = 1133130422. Its totient is φ = 1133130420.

The previous prime is 1133130373. The next prime is 1133130433. The reversal of 1133130421 is 1240313311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1097596900 + 35533521 = 33130^2 + 5961^2 .

It is a cyclic number.

It is not a de Polignac number, because 1133130421 - 2⁷ = 1133130293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1133130491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566565210 + 566565211.

It is an arithmetic number, because the mean of its divisors is an integer number (566565211).

Almost surely, 2^1133130421 is an apocalyptic number.

It is an amenable number.

1133130421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1133130421 is an equidigital number, since it uses as much as digits as its factorization.

1133130421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1133130421 is about 33662.0026290772. The cubic root of 1133130421 is about 1042.5413750599.

Adding to 1133130421 its reverse (1240313311), we get a palindrome (2373443732).

The spelling of 1133130421 in words is "one billion, one hundred thirty-three million, one hundred thirty thousand, four hundred twenty-one".