1074521 has 6 divisors (see below), whose sum is σ = 1250010. Its totient is φ = 920976.

The previous prime is 1074511. The next prime is 1074523. The reversal of 1074521 is 1254701.

It can be written as a sum of positive squares in only one way, i.e., 1073296 + 1225 = 1036^2 + 35^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1074521 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 = 1074493 and 1074502.

It is not an unprimeable number, because it can be changed into a prime (1074523) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10916 + ... + 11013.

It is an arithmetic number, because the mean of its divisors is an integer number (208335).

2^1074521 is an apocalyptic number.

It is an amenable number.

1074521 is a deficient number, since it is larger than the sum of its proper divisors (175489).

1074521 is an equidigital number, since it uses as much as digits as its factorization.

1074521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21943 (or 21936 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 1074521 is about 1036.5910476171. The cubic root of 1074521 is about 102.4247633490.

The spelling of 1074521 in words is "one million, seventy-four thousand, five hundred twenty-one".