1144080 has 120 divisors (see below), whose sum is σ = 4410432. Its totient is φ = 260352.

The previous prime is 1144061. The next prime is 1144081. The reversal of 1144080 is 804411.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1144081) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4927 + ... + 5153.

2^1144080 is an apocalyptic number.

1144080 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 1144080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2205216).

1144080 is an abundant number, since it is smaller than the sum of its proper divisors (3266352).

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

1144080 is a wasteful number, since it uses less digits than its factorization.

1144080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253 (or 244 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 1144080 is about 1069.6167537955. The cubic root of 1144080 is about 104.5888684904.

Adding to 1144080 its reverse (804411), we get a palindrome (1948491).

The spelling of 1144080 in words is "one million, one hundred forty-four thousand, eighty".