1125453705 has 32 divisors (see below), whose sum is σ = 1826722560. Its totient is φ = 591632640.

The previous prime is 1125453701. The next prime is 1125453743. The reversal of 1125453705 is 5073545211.

It is not a de Polignac number, because 1125453705 - 2² = 1125453701 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1125453701) 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 in 31 ways as a sum of consecutive naturals, for example, 352215 + ... + 355395.

It is an arithmetic number, because the mean of its divisors is an integer number (57085080).

Almost surely, 2^1125453705 is an apocalyptic number.

1125453705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1125453705 is a deficient number, since it is larger than the sum of its proper divisors (701268855).

1125453705 is a wasteful number, since it uses less digits than its factorization.

1125453705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3521.

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 1125453705 is about 33547.7824155338. The cubic root of 1125453705 is about 1040.1817067246.

Adding to 1125453705 its reverse (5073545211), we get a palindrome (6198998916).

The spelling of 1125453705 in words is "one billion, one hundred twenty-five million, four hundred fifty-three thousand, seven hundred five".