1125453255 has 8 divisors (see below), whose sum is σ = 1800725232. Its totient is φ = 600241728.

The previous prime is 1125453221. The next prime is 1125453269. The reversal of 1125453255 is 5523545211.

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

It is not a de Polignac number, because 1125453255 - 2⁹ = 1125452743 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37515094 + ... + 37515123.

It is an arithmetic number, because the mean of its divisors is an integer number (225090654).

Almost surely, 2^1125453255 is an apocalyptic number.

1125453255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1125453255 is a deficient number, since it is larger than the sum of its proper divisors (675271977).

1125453255 is an equidigital number, since it uses as much as digits as its factorization.

1125453255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75030225.

The product of its digits is 30000, while the sum is 33.

The square root of 1125453255 is about 33547.7757086815. The cubic root of 1125453255 is about 1040.1815680896.

Adding to 1125453255 its reverse (5523545211), we get a palindrome (6648998466).

The spelling of 1125453255 in words is "one billion, one hundred twenty-five million, four hundred fifty-three thousand, two hundred fifty-five".