1244631 has 8 divisors (see below), whose sum is σ = 1672704. Its totient is φ = 823160.

The previous prime is 1244629. The next prime is 1244647. The reversal of 1244631 is 1364421.

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

It is a cyclic number.

It is not a de Polignac number, because 1244631 - 2¹ = 1244629 is a prime.

It is a super-2 number, since 2×1244631² = 3098212652322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1244598 and 1244607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1191 + ... + 1976.

It is an arithmetic number, because the mean of its divisors is an integer number (209088).

2^1244631 is an apocalyptic number.

1244631 is a deficient number, since it is larger than the sum of its proper divisors (428073).

1244631 is a wasteful number, since it uses less digits than its factorization.

1244631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3301.

The product of its digits is 576, while the sum is 21.

The square root of 1244631 is about 1115.6303151134. The cubic root of 1244631 is about 107.5672843606.

The spelling of 1244631 in words is "one million, two hundred forty-four thousand, six hundred thirty-one".