1066751 has 4 divisors (see below), whose sum is σ = 1219152. Its totient is φ = 914352.

The previous prime is 1066729. The next prime is 1066753. The reversal of 1066751 is 1576601.

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

It is a cyclic number.

It is not a de Polignac number, because 1066751 - 2⁶ = 1066687 is a prime.

It is a super-2 number, since 2×1066751² = 2275915392002, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1066751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76190 + ... + 76203.

It is an arithmetic number, because the mean of its divisors is an integer number (304788).

2^1066751 is an apocalyptic number.

1066751 is a deficient number, since it is larger than the sum of its proper divisors (152401).

1066751 is an equidigital number, since it uses as much as digits as its factorization.

1066751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152400.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 1066751 is about 1032.8363858811. The cubic root of 1066751 is about 102.1772836410.

The spelling of 1066751 in words is "one million, sixty-six thousand, seven hundred fifty-one".