1180120 has 32 divisors (see below), whose sum is σ = 2686320. Its totient is φ = 466560.

The previous prime is 1180117. The next prime is 1180121. The reversal of 1180120 is 210811.

It is a self number, because there is not a number n which added to its sum of digits gives 1180120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1180121) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 6430 + ... + 6610.

2^1180120 is an apocalyptic number.

1180120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1180120 is an abundant number, since it is smaller than the sum of its proper divisors (1506200).

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

1180120 is a wasteful number, since it uses less digits than its factorization.

1180120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355 (or 351 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 1180120 is about 1086.3332821929. Note that the first 3 decimals coincide. The cubic root of 1180120 is about 105.6757625123.

Adding to 1180120 its reverse (210811), we get a palindrome (1390931).

The spelling of 1180120 in words is "one million, one hundred eighty thousand, one hundred twenty".