1230673 has 4 divisors (see below), whose sum is σ = 1273140. Its totient is φ = 1188208.

The previous prime is 1230667. The next prime is 1230689. The reversal of 1230673 is 3760321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3760321 = 79 ⋅47599.

It can be written as a sum of positive squares in 2 ways, for example, as 1056784 + 173889 = 1028^2 + 417^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1230673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1230373) 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, 21190 + ... + 21247.

It is an arithmetic number, because the mean of its divisors is an integer number (318285).

2^1230673 is an apocalyptic number.

It is an amenable number.

1230673 is a deficient number, since it is larger than the sum of its proper divisors (42467).

1230673 is an equidigital number, since it uses as much as digits as its factorization.

1230673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42466.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 1230673 is about 1109.3570209811. The cubic root of 1230673 is about 107.1636648688.

Adding to 1230673 its reverse (3760321), we get a palindrome (4990994).

The spelling of 1230673 in words is "one million, two hundred thirty thousand, six hundred seventy-three".