1125453345 has 16 divisors (see below), whose sum is σ = 1801152960. Its totient is φ = 600099264.

The previous prime is 1125453341. The next prime is 1125453347. The reversal of 1125453345 is 5433545211.

It is not a de Polignac number, because 1125453345 - 2² = 1125453341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1125453341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96942 + ... + 107928.

It is an arithmetic number, because the mean of its divisors is an integer number (112572060).

Almost surely, 2^1125453345 is an apocalyptic number.

1125453345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1125453345 is a deficient number, since it is larger than the sum of its proper divisors (675699615).

1125453345 is a wasteful number, since it uses less digits than its factorization.

1125453345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17824.

The product of its digits is 36000, while the sum is 33.

The square root of 1125453345 is about 33547.7770500521. Note that the first 3 decimals coincide. The cubic root of 1125453345 is about 1040.1815958166.

Adding to 1125453345 its reverse (5433545211), we get a palindrome (6558998556).

The spelling of 1125453345 in words is "one billion, one hundred twenty-five million, four hundred fifty-three thousand, three hundred forty-five".