1109425 has 12 divisors (see below), whose sum is σ = 1388800. Its totient is φ = 879120.

The previous prime is 1109411. The next prime is 1109431. The reversal of 1109425 is 5249011.

It is not a de Polignac number, because 1109425 - 2⁵ = 1109393 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1109396 and 1109405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4864 + ... + 5086.

2^1109425 is an apocalyptic number.

It is an amenable number.

1109425 is a deficient number, since it is larger than the sum of its proper divisors (279375).

1109425 is a wasteful number, since it uses less digits than its factorization.

1109425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432 (or 427 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 1109425 is about 1053.2924570128. The cubic root of 1109425 is about 103.5219989489.

The spelling of 1109425 in words is "one million, one hundred nine thousand, four hundred twenty-five".