1272267 has 20 divisors (see below), whose sum is σ = 1931160. Its totient is φ = 834624.

The previous prime is 1272253. The next prime is 1272269. The reversal of 1272267 is 7622721.

It is not a de Polignac number, because 1272267 - 2⁶ = 1272203 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

1272267 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1272267.

It is not an unprimeable number, because it can be changed into a prime (1272269) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9084 + ... + 9222.

It is an arithmetic number, because the mean of its divisors is an integer number (96558).

2^1272267 is an apocalyptic number.

1272267 is a deficient number, since it is larger than the sum of its proper divisors (658893).

1272267 is a wasteful number, since it uses less digits than its factorization.

1272267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264 (or 255 counting only the distinct ones).

The product of its digits is 2352, while the sum is 27.

The square root of 1272267 is about 1127.9481371056. The cubic root of 1272267 is about 108.3576108641.

Adding to 1272267 its reverse (7622721), we get a palindrome (8894988).

The spelling of 1272267 in words is "one million, two hundred seventy-two thousand, two hundred sixty-seven".