1125452473 has 2 divisors, whose sum is σ = 1125452474. Its totient is φ = 1125452472.

The previous prime is 1125452417. The next prime is 1125452507. The reversal of 1125452473 is 3742545211.

It is an a-pointer prime, because the next prime (1125452507) can be obtained adding 1125452473 to its sum of digits (34).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 791184384 + 334268089 = 28128^2 + 18283^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1125452473 is a prime.

It is not a weakly prime, because it can be changed into another prime (1125452413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562726236 + 562726237.

It is an arithmetic number, because the mean of its divisors is an integer number (562726237).

Almost surely, 2^1125452473 is an apocalyptic number.

It is an amenable number.

1125452473 is a deficient number, since it is larger than the sum of its proper divisors (1).

1125452473 is an equidigital number, since it uses as much as digits as its factorization.

1125452473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33600, while the sum is 34.

The square root of 1125452473 is about 33547.7640536594. The cubic root of 1125452473 is about 1040.1813271727.

Adding to 1125452473 its reverse (3742545211), we get a palindrome (4867997684).

The spelling of 1125452473 in words is "one billion, one hundred twenty-five million, four hundred fifty-two thousand, four hundred seventy-three".