1180172 has 24 divisors (see below), whose sum is σ = 2387616. Its totient is φ = 499968.

The previous prime is 1180171. The next prime is 1180219. The reversal of 1180172 is 2710811.

It is not an unprimeable number, because it can be changed into a prime (1180171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2978 + ... + 3350.

It is an arithmetic number, because the mean of its divisors is an integer number (99484).

2^1180172 is an apocalyptic number.

It is an amenable number.

1180172 is an abundant number, since it is smaller than the sum of its proper divisors (1207444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1180172 is a wasteful number, since it uses less digits than its factorization.

1180172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497 (or 495 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 20.

The square root of 1180172 is about 1086.3572156524. The cubic root of 1180172 is about 105.6773146310.

Adding to 1180172 its reverse (2710811), we get a palindrome (3890983).

The spelling of 1180172 in words is "one million, one hundred eighty thousand, one hundred seventy-two".