1274721 has 16 divisors (see below), whose sum is σ = 1964928. Its totient is φ = 720000.

The previous prime is 1274719. The next prime is 1274723.

1274721 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (1274719) and next prime (1274723).

It is not a de Polignac number, because 1274721 - 2¹ = 1274719 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 1274691 and 1274700.

It is not an unprimeable number, because it can be changed into a prime (1274723) 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 15 ways as a sum of consecutive naturals, for example, 1821 + ... + 2421.

It is an arithmetic number, because the mean of its divisors is an integer number (122808).

2^1274721 is an apocalyptic number.

It is an amenable number.

1274721 is a deficient number, since it is larger than the sum of its proper divisors (690207).

1274721 is a wasteful number, since it uses less digits than its factorization.

1274721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712.

The product of its digits is 784, while the sum is 24.

The square root of 1274721 is about 1129.0354290278. The cubic root of 1274721 is about 108.4272342985.

The spelling of 1274721 in words is "one million, two hundred seventy-four thousand, seven hundred twenty-one".