1074721 has 4 divisors (see below), whose sum is σ = 1121472. Its totient is φ = 1027972.

The previous prime is 1074719. The next prime is 1074751. The reversal of 1074721 is 1274701.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1074721 - 2¹ = 1074719 is a prime.

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

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1074692 and 1074701.

It is not an unprimeable number, because it can be changed into a prime (1074701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23341 + ... + 23386.

It is an arithmetic number, because the mean of its divisors is an integer number (280368).

2^1074721 is an apocalyptic number.

It is an amenable number.

1074721 is a deficient number, since it is larger than the sum of its proper divisors (46751).

1074721 is an equidigital number, since it uses as much as digits as its factorization.

1074721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46750.

The product of its (nonzero) digits is 392, while the sum is 22.

The square root of 1074721 is about 1036.6875131880. The cubic root of 1074721 is about 102.4311177096.

The spelling of 1074721 in words is "one million, seventy-four thousand, seven hundred twenty-one".