1272567 has 8 divisors (see below), whose sum is σ = 1770624. Its totient is φ = 811448.

The previous prime is 1272559. The next prime is 1272577. The reversal of 1272567 is 7652721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1272567 - 2³ = 1272559 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1272547) 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, 9153 + ... + 9290.

It is an arithmetic number, because the mean of its divisors is an integer number (221328).

2^1272567 is an apocalyptic number.

1272567 is a deficient number, since it is larger than the sum of its proper divisors (498057).

1272567 is a wasteful number, since it uses less digits than its factorization.

1272567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18469.

The product of its digits is 5880, while the sum is 30.

The square root of 1272567 is about 1128.0811141048. The cubic root of 1272567 is about 108.3661270871.

The spelling of 1272567 in words is "one million, two hundred seventy-two thousand, five hundred sixty-seven".