1481040 has 180 divisors, whose sum is σ = 5788692. Its totient is φ = 337920.

The previous prime is 1481033. The next prime is 1481041. The reversal of 1481040 is 401841.

It can be written as a sum of positive squares in 2 ways, for example, as 853776 + 627264 = 924^2 + 792^2 .

It is a tau number, because it is divible by the number of its divisors (180).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1481041) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 87112 + ... + 87128.

2^1481040 is an apocalyptic number.

1481040 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 1481040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2894346).

1481040 is an abundant number, since it is smaller than the sum of its proper divisors (4307652).

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

1481040 is a wasteful number, since it uses less digits than its factorization.

1481040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58 (or 38 counting only the distinct ones).

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

The square root of 1481040 is about 1216.9798683627. The cubic root of 1481040 is about 113.9870714794.

Adding to 1481040 its reverse (401841), we get a palindrome (1882881).

The spelling of 1481040 in words is "one million, four hundred eighty-one thousand, forty".