1632120 has 128 divisors (see below), whose sum is σ = 5875200. Its totient is φ = 354816.

The previous prime is 1632109. The next prime is 1632121. The reversal of 1632120 is 212361.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1632120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1632121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24327 + ... + 24393.

It is an arithmetic number, because the mean of its divisors is an integer number (45900).

2^1632120 is an apocalyptic number.

1632120 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 1632120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2937600).

1632120 is an abundant number, since it is smaller than the sum of its proper divisors (4243080).

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

1632120 is a wasteful number, since it uses less digits than its factorization.

1632120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117 (or 113 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1632120 is about 1277.5445197722. The cubic root of 1632120 is about 117.7381919362.

Adding to 1632120 its reverse (212361), we get a palindrome (1844481).

The spelling of 1632120 in words is "one million, six hundred thirty-two thousand, one hundred twenty".