1134245521 has 2 divisors, whose sum is σ = 1134245522. Its totient is φ = 1134245520.

The previous prime is 1134245507. The next prime is 1134245531. The reversal of 1134245521 is 1255424311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 599711121 + 534534400 = 24489^2 + 23120^2 .

It is a cyclic number.

It is not a de Polignac number, because 1134245521 - 2⁷ = 1134245393 is a prime.

It is a super-2 number, since 2×1134245521² = 2573025803817122882, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1134245521.

It is not a weakly prime, because it can be changed into another prime (1134245531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 567122760 + 567122761.

It is an arithmetic number, because the mean of its divisors is an integer number (567122761).

Almost surely, 2^1134245521 is an apocalyptic number.

It is an amenable number.

1134245521 is a deficient number, since it is larger than the sum of its proper divisors (1).

1134245521 is an equidigital number, since it uses as much as digits as its factorization.

1134245521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4800, while the sum is 28.

The square root of 1134245521 is about 33678.5617418559. The cubic root of 1134245521 is about 1042.8832470773.

Adding to 1134245521 its reverse (1255424311), we get a palindrome (2389669832).

The spelling of 1134245521 in words is "one billion, one hundred thirty-four million, two hundred forty-five thousand, five hundred twenty-one".