1125443455 has 8 divisors (see below), whose sum is σ = 1397102400. Its totient is φ = 869307936.

The previous prime is 1125443453. The next prime is 1125443471. The reversal of 1125443455 is 5543445211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1125443455 - 2¹ = 1125443453 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1125443455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125443453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3880695 + ... + 3880984.

It is an arithmetic number, because the mean of its divisors is an integer number (174637800).

Almost surely, 2^1125443455 is an apocalyptic number.

1125443455 is a deficient number, since it is larger than the sum of its proper divisors (271658945).

1125443455 is an equidigital number, since it uses as much as digits as its factorization.

1125443455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7761713.

The product of its digits is 48000, while the sum is 34.

The square root of 1125443455 is about 33547.6296480094. The cubic root of 1125443455 is about 1040.1785489181.

Adding to 1125443455 its reverse (5543445211), we get a palindrome (6668888666).

The spelling of 1125443455 in words is "one billion, one hundred twenty-five million, four hundred forty-three thousand, four hundred fifty-five".