1481280 has 56 divisors (see below), whose sum is σ = 4706112. Its totient is φ = 394752.

The previous prime is 1481257. The next prime is 1481281. The reversal of 1481280 is 821841.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1481280.

It is not an unprimeable number, because it can be changed into a prime (1481281) 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, 189 + ... + 1731.

2^1481280 is an apocalyptic number.

1481280 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 1481280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2353056).

1481280 is an abundant number, since it is smaller than the sum of its proper divisors (3224832).

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

1481280 is a wasteful number, since it uses less digits than its factorization.

1481280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1563 (or 1553 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 1481280 is about 1217.0784691219. The cubic root of 1481280 is about 113.9932282835.

The spelling of 1481280 in words is "one million, four hundred eighty-one thousand, two hundred eighty".