1273023 has 8 divisors (see below), whose sum is σ = 1886000. Its totient is φ = 848664.

The previous prime is 1273021. The next prime is 1273033. The reversal of 1273023 is 3203721.

It is not a de Polignac number, because 1273023 - 2¹ = 1273021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1272987 and 1273005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1273021) 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, 23548 + ... + 23601.

It is an arithmetic number, because the mean of its divisors is an integer number (235750).

2^1273023 is an apocalyptic number.

1273023 is a deficient number, since it is larger than the sum of its proper divisors (612977).

1273023 is an equidigital number, since it uses as much as digits as its factorization.

1273023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47158 (or 47152 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 1273023 is about 1128.2832091279. The cubic root of 1273023 is about 108.3790691831.

Adding to 1273023 its reverse (3203721), we get a palindrome (4476744).

The spelling of 1273023 in words is "one million, two hundred seventy-three thousand, twenty-three".