1123725 has 12 divisors (see below), whose sum is σ = 1858016. Its totient is φ = 599280.

The previous prime is 1123709. The next prime is 1123729. The reversal of 1123725 is 5273211.

It is not a de Polignac number, because 1123725 - 2⁴ = 1123709 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123729) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7417 + ... + 7566.

2^1123725 is an apocalyptic number.

1123725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1123725 is a deficient number, since it is larger than the sum of its proper divisors (734291).

1123725 is a wasteful number, since it uses less digits than its factorization.

1123725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14996 (or 14991 counting only the distinct ones).

The product of its digits is 420, while the sum is 21.

The square root of 1123725 is about 1060.0589606244. The cubic root of 1123725 is about 103.9648858280.

Adding to 1123725 its reverse (5273211), we get a palindrome (6396936).

The spelling of 1123725 in words is "one million, one hundred twenty-three thousand, seven hundred twenty-five".