1147110521 has 2 divisors, whose sum is σ = 1147110522. Its totient is φ = 1147110520.

The previous prime is 1147110499. The next prime is 1147110571. The reversal of 1147110521 is 1250117411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 643332496 + 503778025 = 25364^2 + 22445^2 .

It is a cyclic number.

It is not a de Polignac number, because 1147110521 - 2¹⁰ = 1147109497 is a prime.

It is not a weakly prime, because it can be changed into another prime (1147110571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 573555260 + 573555261.

It is an arithmetic number, because the mean of its divisors is an integer number (573555261).

Almost surely, 2^1147110521 is an apocalyptic number.

It is an amenable number.

1147110521 is a deficient number, since it is larger than the sum of its proper divisors (1).

1147110521 is an equidigital number, since it uses as much as digits as its factorization.

1147110521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 280, while the sum is 23.

The square root of 1147110521 is about 33869.0200773509. The cubic root of 1147110521 is about 1046.8113456519.

Adding to 1147110521 its reverse (1250117411), we get a palindrome (2397227932).

The spelling of 1147110521 in words is "one billion, one hundred forty-seven million, one hundred ten thousand, five hundred twenty-one".