1243633 has 8 divisors (see below), whose sum is σ = 1310400. Its totient is φ = 1177968.

The previous prime is 1243631. The next prime is 1243639. The reversal of 1243633 is 3363421.

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

It is not a de Polignac number, because 1243633 - 2¹ = 1243631 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1243631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3003 + ... + 3391.

It is an arithmetic number, because the mean of its divisors is an integer number (163800).

2^1243633 is an apocalyptic number.

It is an amenable number.

1243633 is a deficient number, since it is larger than the sum of its proper divisors (66767).

1243633 is a wasteful number, since it uses less digits than its factorization.

1243633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551.

The product of its digits is 1296, while the sum is 22.

The square root of 1243633 is about 1115.1829446329. The cubic root of 1243633 is about 107.5385259426.

The spelling of 1243633 in words is "one million, two hundred forty-three thousand, six hundred thirty-three".