1051166 has 4 divisors (see below), whose sum is σ = 1576752. Its totient is φ = 525582.

The previous prime is 1051157. The next prime is 1051177. The reversal of 1051166 is 6611501.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6611501 = 13 ⋅508577.

It is a super-2 number, since 2×1051166² = 2209899919112, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 262790 + ... + 262793.

It is an arithmetic number, because the mean of its divisors is an integer number (394188).

2^1051166 is an apocalyptic number.

1051166 is a deficient number, since it is larger than the sum of its proper divisors (525586).

1051166 is an equidigital number, since it uses as much as digits as its factorization.

1051166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525585.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 1051166 is about 1025.2638684748. The cubic root of 1051166 is about 101.6772445621.

Adding to 1051166 its reverse (6611501), we get a palindrome (7662667).

The spelling of 1051166 in words is "one million, fifty-one thousand, one hundred sixty-six".