1125231 has 8 divisors (see below), whose sum is σ = 1518720. Its totient is φ = 740952.

The previous prime is 1125221. The next prime is 1125253. The reversal of 1125231 is 1325211.

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

It is not a de Polignac number, because 1125231 - 2⁶ = 1125167 is a prime.

It is a super-2 number, since 2×1125231² = 2532289606722, which contains 22 as substring.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1125231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125221) 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, 2011 + ... + 2508.

It is an arithmetic number, because the mean of its divisors is an integer number (189840).

2^1125231 is an apocalyptic number.

1125231 is a deficient number, since it is larger than the sum of its proper divisors (393489).

1125231 is an equidigital number, since it uses as much as digits as its factorization.

1125231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4605.

The product of its digits is 60, while the sum is 15.

The square root of 1125231 is about 1060.7690606348. The cubic root of 1125231 is about 104.0113091745.

The spelling of 1125231 in words is "one million, one hundred twenty-five thousand, two hundred thirty-one".