1267273 has 4 divisors (see below), whose sum is σ = 1448320. Its totient is φ = 1086228.

The previous prime is 1267237. The next prime is 1267291. The reversal of 1267273 is 3727621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1267273 - 2⁹ = 1266761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1267223) 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, 90513 + ... + 90526.

It is an arithmetic number, because the mean of its divisors is an integer number (362080).

2^1267273 is an apocalyptic number.

It is an amenable number.

1267273 is a deficient number, since it is larger than the sum of its proper divisors (181047).

1267273 is an equidigital number, since it uses as much as digits as its factorization.

1267273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181046.

The product of its digits is 3528, while the sum is 28.

The square root of 1267273 is about 1125.7322061663. The cubic root of 1267273 is about 108.2156470846.

It can be divided in two parts, 1267 and 273, that added together give a triangular number (1540 = T₅₅).

The spelling of 1267273 in words is "one million, two hundred sixty-seven thousand, two hundred seventy-three".