1272995 has 8 divisors (see below), whose sum is σ = 1560384. Its totient is φ = 996544.

The previous prime is 1272991. The next prime is 1273001. The reversal of 1272995 is 5992721.

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 1272995 - 2² = 1272991 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1272991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2474 + ... + 2943.

It is an arithmetic number, because the mean of its divisors is an integer number (195048).

2^1272995 is an apocalyptic number.

1272995 is a deficient number, since it is larger than the sum of its proper divisors (287389).

1272995 is an equidigital number, since it uses as much as digits as its factorization.

1272995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5469.

The product of its digits is 11340, while the sum is 35.

The square root of 1272995 is about 1128.2708008275. The cubic root of 1272995 is about 108.3782745820.

The spelling of 1272995 in words is "one million, two hundred seventy-two thousand, nine hundred ninety-five".