1230986 has 4 divisors (see below), whose sum is σ = 1846482. Its totient is φ = 615492.

The previous prime is 1230967. The next prime is 1230997. The reversal of 1230986 is 6890321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 714025 + 516961 = 845^2 + 719^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307745 + ... + 307748.

2^1230986 is an apocalyptic number.

1230986 is a deficient number, since it is larger than the sum of its proper divisors (615496).

1230986 is an equidigital number, since it uses as much as digits as its factorization.

1230986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615495.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 1230986 is about 1109.4980847212. The cubic root of 1230986 is about 107.1727491622.

The spelling of 1230986 in words is "one million, two hundred thirty thousand, nine hundred eighty-six".