1267005 has 8 divisors (see below), whose sum is σ = 2027232. Its totient is φ = 675728.

The previous prime is 1266953. The next prime is 1267009. The reversal of 1267005 is 5007621.

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 1267005 - 2⁹ = 1266493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1267009) 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, 42219 + ... + 42248.

It is an arithmetic number, because the mean of its divisors is an integer number (253404).

2^1267005 is an apocalyptic number.

1267005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1267005 is a deficient number, since it is larger than the sum of its proper divisors (760227).

1267005 is an equidigital number, since it uses as much as digits as its factorization.

1267005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84475.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 1267005 is about 1125.6131662343. The cubic root of 1267005 is about 108.2080181475.

The spelling of 1267005 in words is "one million, two hundred sixty-seven thousand, five".