1070666 has 4 divisors (see below), whose sum is σ = 1606002. Its totient is φ = 535332.

The previous prime is 1070659. The next prime is 1070681. The reversal of 1070666 is 6660701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6660701 = 103 ⋅64667.

It can be written as a sum of positive squares in only one way, i.e., 958441 + 112225 = 979^2 + 335^2 .

It is a super-2 number, since 2×1070666² = 2292651367112, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267665 + ... + 267668.

2^1070666 is an apocalyptic number.

1070666 is a deficient number, since it is larger than the sum of its proper divisors (535336).

1070666 is an equidigital number, since it uses as much as digits as its factorization.

1070666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535335.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 1070666 is about 1034.7299164516. The cubic root of 1070666 is about 102.3021286752.

The spelling of 1070666 in words is "one million, seventy thousand, six hundred sixty-six".