1125255 has 8 divisors (see below), whose sum is σ = 1800432. Its totient is φ = 600128.

The previous prime is 1125253. The next prime is 1125259. The reversal of 1125255 is 5525211.

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 1125255 - 2¹ = 1125253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125253) 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, 37494 + ... + 37523.

It is an arithmetic number, because the mean of its divisors is an integer number (225054).

2^1125255 is an apocalyptic number.

1125255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1125255 is a deficient number, since it is larger than the sum of its proper divisors (675177).

1125255 is an equidigital number, since it uses as much as digits as its factorization.

1125255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75025.

The product of its digits is 500, while the sum is 21.

The square root of 1125255 is about 1060.7803731216. The cubic root of 1125255 is about 104.0120486534.

The spelling of 1125255 in words is "one million, one hundred twenty-five thousand, two hundred fifty-five".