1166123 has 8 divisors (see below), whose sum is σ = 1390848. Its totient is φ = 955944.

The previous prime is 1166107. The next prime is 1166131. The reversal of 1166123 is 3216611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1166123 - 2⁴ = 1166107 is a prime.

It is a super-2 number, since 2×1166123² = 2719685702258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1166095 and 1166104.

It is not an unprimeable number, because it can be changed into a prime (1166153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3461 + ... + 3782.

It is an arithmetic number, because the mean of its divisors is an integer number (173856).

2^1166123 is an apocalyptic number.

1166123 is a deficient number, since it is larger than the sum of its proper divisors (224725).

1166123 is an equidigital number, since it uses as much as digits as its factorization.

1166123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7273.

The product of its digits is 216, while the sum is 20.

The square root of 1166123 is about 1079.8717516446. The cubic root of 1166123 is about 105.2563050670.

The spelling of 1166123 in words is "one million, one hundred sixty-six thousand, one hundred twenty-three".