1066454 has 4 divisors (see below), whose sum is σ = 1599684. Its totient is φ = 533226.

The previous prime is 1066447. The next prime is 1066511. The reversal of 1066454 is 4546601.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1066454² = 2274648268232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266612 + ... + 266615.

It is an arithmetic number, because the mean of its divisors is an integer number (399921).

2^1066454 is an apocalyptic number.

1066454 is a deficient number, since it is larger than the sum of its proper divisors (533230).

1066454 is an equidigital number, since it uses as much as digits as its factorization.

1066454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533229.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 1066454 is about 1032.6925970491. The cubic root of 1066454 is about 102.1678001815.

The spelling of 1066454 in words is "one million, sixty-six thousand, four hundred fifty-four".