1244906 has 8 divisors (see below), whose sum is σ = 2011044. Its totient is φ = 574560.

The previous prime is 1244879. The next prime is 1244909. The reversal of 1244906 is 6094421.

It can be written as a sum of positive squares in 2 ways, for example, as 1243225 + 1681 = 1115^2 + 41^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 47881 = 1244906 / (1 + 2 + 4 + 4 + 9 + 0 + 6).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1244909) 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, 23915 + ... + 23966.

2^1244906 is an apocalyptic number.

1244906 is a deficient number, since it is larger than the sum of its proper divisors (766138).

1244906 is a wasteful number, since it uses less digits than its factorization.

1244906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47896.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 1244906 is about 1115.7535570188. The cubic root of 1244906 is about 107.5752060726.

The spelling of 1244906 in words is "one million, two hundred forty-four thousand, nine hundred six".