1272167 has 4 divisors (see below), whose sum is σ = 1370040. Its totient is φ = 1174296.

The previous prime is 1272163. The next prime is 1272169. The reversal of 1272167 is 7612721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7612721 = 881 ⋅8641.

It is a cyclic number.

It is not a de Polignac number, because 1272167 - 2² = 1272163 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1272163) 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, 48917 + ... + 48942.

It is an arithmetic number, because the mean of its divisors is an integer number (342510).

2^1272167 is an apocalyptic number.

1272167 is a deficient number, since it is larger than the sum of its proper divisors (97873).

1272167 is an equidigital number, since it uses as much as digits as its factorization.

1272167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97872.

The product of its digits is 1176, while the sum is 26.

The square root of 1272167 is about 1127.9038079553. The cubic root of 1272167 is about 108.3547718256.

Adding to 1272167 its reverse (7612721), we get a palindrome (8884888).

The spelling of 1272167 in words is "one million, two hundred seventy-two thousand, one hundred sixty-seven".