1166572 has 12 divisors (see below), whose sum is σ = 2227176. Its totient is φ = 530240.

The previous prime is 1166569. The next prime is 1166579. The reversal of 1166572 is 2756611.

It is a self number, because there is not a number n which added to its sum of digits gives 1166572.

It is not an unprimeable number, because it can be changed into a prime (1166579) 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 3 ways as a sum of consecutive naturals, for example, 13213 + ... + 13300.

It is an arithmetic number, because the mean of its divisors is an integer number (185598).

2^1166572 is an apocalyptic number.

It is an amenable number.

1166572 is a deficient number, since it is larger than the sum of its proper divisors (1060604).

1166572 is a wasteful number, since it uses less digits than its factorization.

1166572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26528 (or 26526 counting only the distinct ones).

The product of its digits is 2520, while the sum is 28.

The square root of 1166572 is about 1080.0796266943. The cubic root of 1166572 is about 105.2698125091.

The spelling of 1166572 in words is "one million, one hundred sixty-six thousand, five hundred seventy-two".