1125552481 has 2 divisors, whose sum is σ = 1125552482. Its totient is φ = 1125552480.

The previous prime is 1125552451. The next prime is 1125552511. The reversal of 1125552481 is 1842555211.

It is a balanced prime because it is at equal distance from previous prime (1125552451) and next prime (1125552511).

It can be written as a sum of positive squares in only one way, i.e., 685601856 + 439950625 = 26184^2 + 20975^2 .

It is a cyclic number.

It is not a de Polignac number, because 1125552481 - 2⁷ = 1125552353 is a prime.

It is a super-2 number, since 2×1125552481² = 2533736774970510722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1125552431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562776240 + 562776241.

It is an arithmetic number, because the mean of its divisors is an integer number (562776241).

Almost surely, 2^1125552481 is an apocalyptic number.

It is an amenable number.

1125552481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1125552481 is an equidigital number, since it uses as much as digits as its factorization.

1125552481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16000, while the sum is 34.

The square root of 1125552481 is about 33549.2545520761. The cubic root of 1125552481 is about 1040.2121365214.

It can be divided in two parts, 11255 and 52481, that added together give a palindrome (63736).

The spelling of 1125552481 in words is "one billion, one hundred twenty-five million, five hundred fifty-two thousand, four hundred eighty-one".