1111825 has 24 divisors (see below), whose sum is σ = 1624896. Its totient is φ = 744000.

The previous prime is 1111801. The next prime is 1111841. The reversal of 1111825 is 5281111.

It is a happy number.

It is not a de Polignac number, because 1111825 - 2⁵ = 1111793 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3420 + ... + 3730.

It is an arithmetic number, because the mean of its divisors is an integer number (67704).

2^1111825 is an apocalyptic number.

It is an amenable number.

1111825 is a deficient number, since it is larger than the sum of its proper divisors (513071).

1111825 is a wasteful number, since it uses less digits than its factorization.

1111825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345 (or 340 counting only the distinct ones).

The product of its digits is 80, while the sum is 19.

The square root of 1111825 is about 1054.4311262477. The cubic root of 1111825 is about 103.5965943038.

Adding to 1111825 its reverse (5281111), we get a palindrome (6392936).

It can be divided in two parts, 1111 and 825, that added together give a square (1936 = 44²).

The spelling of 1111825 in words is "one million, one hundred eleven thousand, eight hundred twenty-five".