1166207 has 4 divisors (see below), whose sum is σ = 1332816. Its totient is φ = 999600.

The previous prime is 1166153. The next prime is 1166213. The reversal of 1166207 is 7026611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7026611 = 1123 ⋅6257.

It is not a de Polignac number, because 1166207 - 2⁸ = 1165951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166227) 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, 83294 + ... + 83307.

It is an arithmetic number, because the mean of its divisors is an integer number (333204).

2^1166207 is an apocalyptic number.

1166207 is a deficient number, since it is larger than the sum of its proper divisors (166609).

1166207 is an equidigital number, since it uses as much as digits as its factorization.

1166207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166608.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 1166207 is about 1079.9106444517. The cubic root of 1166207 is about 105.2588323354.

The spelling of 1166207 in words is "one million, one hundred sixty-six thousand, two hundred seven".