1481520 has 40 divisors (see below), whose sum is σ = 4593456. Its totient is φ = 395008.

The previous prime is 1481503. The next prime is 1481527. The reversal of 1481520 is 251841.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (1481527) 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, 2847 + ... + 3326.

2^1481520 is an apocalyptic number.

1481520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1481520 is an abundant number, since it is smaller than the sum of its proper divisors (3111936).

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

1481520 is a wasteful number, since it uses less digits than its factorization.

1481520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6189 (or 6183 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 1481520 is about 1217.1770618936. The cubic root of 1481520 is about 113.9993844227. Note that the first 3 decimals are identical.

The spelling of 1481520 in words is "one million, four hundred eighty-one thousand, five hundred twenty".