1123056547 has 2 divisors, whose sum is σ = 1123056548. Its totient is φ = 1123056546.

The previous prime is 1123056527. The next prime is 1123056553. The reversal of 1123056547 is 7456503211.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1123056547 is a prime.

It is a super-3 number, since 3×1123056547³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (1123056527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561528273 + 561528274.

It is an arithmetic number, because the mean of its divisors is an integer number (561528274).

Almost surely, 2^1123056547 is an apocalyptic number.

1123056547 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123056547 is an equidigital number, since it uses as much as digits as its factorization.

1123056547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 1123056547 is about 33512.0358528097. The cubic root of 1123056547 is about 1039.4426707506.

Adding to 1123056547 its reverse (7456503211), we get a palindrome (8579559758).

The spelling of 1123056547 in words is "one billion, one hundred twenty-three million, fifty-six thousand, five hundred forty-seven".