180749120 has 56 divisors (see below), whose sum is σ = 431560224. Its totient is φ = 72106496.

The previous prime is 180749119. The next prime is 180749123. The reversal of 180749120 is 21947081.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180749123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218147 + ... + 218973.

Almost surely, 2^180749120 is an apocalyptic number.

180749120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 180749120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215780112).

180749120 is an abundant number, since it is smaller than the sum of its proper divisors (250811104).

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

180749120 is an equidigital number, since it uses as much as digits as its factorization.

180749120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1527 (or 1517 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 180749120 is about 13444.2969321568. The cubic root of 180749120 is about 565.4038097930.

The spelling of 180749120 in words is "one hundred eighty million, seven hundred forty-nine thousand, one hundred twenty".