1117925 has 12 divisors (see below), whose sum is σ = 1403556. Its totient is φ = 883200.

The previous prime is 1117913. The next prime is 1117931. The reversal of 1117925 is 5297111.

It can be written as a sum of positive squares in 6 ways, for example, as 73441 + 1044484 = 271^2 + 1022^2 .

It is not a de Polignac number, because 1117925 - 2⁶ = 1117861 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1117894 and 1117903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2195 + ... + 2655.

It is an arithmetic number, because the mean of its divisors is an integer number (116963).

2^1117925 is an apocalyptic number.

It is an amenable number.

1117925 is a deficient number, since it is larger than the sum of its proper divisors (285631).

1117925 is an equidigital number, since it uses as much as digits as its factorization.

1117925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568 (or 563 counting only the distinct ones).

The product of its digits is 630, while the sum is 26.

The square root of 1117925 is about 1057.3197245867. The cubic root of 1117925 is about 103.7857089063.

The spelling of 1117925 in words is "one million, one hundred seventeen thousand, nine hundred twenty-five".