1118025 has 18 divisors (see below), whose sum is σ = 2002910. Its totient is φ = 596160.

The previous prime is 1118023. The next prime is 1118027. The reversal of 1118025 is 5208111.

It is an interprime number because it is at equal distance from previous prime (1118023) and next prime (1118027).

It can be written as a sum of positive squares in 3 ways, for example, as 9216 + 1108809 = 96^2 + 1053^2 .

It is not a de Polignac number, because 1118025 - 2¹ = 1118023 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1117989 and 1118007.

It is not an unprimeable number, because it can be changed into a prime (1118021) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2260 + ... + 2709.

2^1118025 is an apocalyptic number.

1118025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1118025 is a deficient number, since it is larger than the sum of its proper divisors (884885).

1118025 is a wasteful number, since it uses less digits than its factorization.

1118025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4985 (or 4977 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

The square root of 1118025 is about 1057.3670129146. The cubic root of 1118025 is about 103.7888034077.

The spelling of 1118025 in words is "one million, one hundred eighteen thousand, twenty-five".