1204633 has 2 divisors, whose sum is σ = 1204634. Its totient is φ = 1204632.

The previous prime is 1204613. The next prime is 1204649. The reversal of 1204633 is 3364021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1140624 + 64009 = 1068^2 + 253^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1204633 is a prime.

It is a super-2 number, since 2×1204633² = 2902281329378, which contains 22 as substring.

It is an Ulam number.

1204633 is a lucky number.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 1204633.

It is not a weakly prime, because it can be changed into another prime (1204613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 602316 + 602317.

It is an arithmetic number, because the mean of its divisors is an integer number (602317).

2^1204633 is an apocalyptic number.

It is an amenable number.

1204633 is a deficient number, since it is larger than the sum of its proper divisors (1).

1204633 is an equidigital number, since it uses as much as digits as its factorization.

1204633 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1204633 is about 1097.5577433557. The cubic root of 1204633 is about 106.4024395487.

Adding to 1204633 its reverse (3364021), we get a palindrome (4568654).

It can be divided in two parts, 120 and 4633, that added together give a triangular number (4753 = T₉₇).

The spelling of 1204633 in words is "one million, two hundred four thousand, six hundred thirty-three".