1225186 has 8 divisors (see below), whose sum is σ = 1848924. Its totient is φ = 608880.

The previous prime is 1225183. The next prime is 1225219. The reversal of 1225186 is 6815221.

It can be written as a sum of positive squares in 2 ways, for example, as 1177225 + 47961 = 1085^2 + 219^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1225186.

It is not an unprimeable number, because it can be changed into a prime (1225183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1425 + ... + 2116.

2^1225186 is an apocalyptic number.

1225186 is a deficient number, since it is larger than the sum of its proper divisors (623738).

1225186 is a wasteful number, since it uses less digits than its factorization.

1225186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3716.

The product of its digits is 960, while the sum is 25.

The square root of 1225186 is about 1106.8812041046. The cubic root of 1225186 is about 107.0041632293.

The spelling of 1225186 in words is "one million, two hundred twenty-five thousand, one hundred eighty-six".