1481720 has 32 divisors (see below), whose sum is σ = 3531600. Its totient is φ = 557568.

The previous prime is 1481719. The next prime is 1481731. The reversal of 1481720 is 271841.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 410 + ... + 1769.

2^1481720 is an apocalyptic number.

1481720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1481720 is an abundant number, since it is smaller than the sum of its proper divisors (2049880).

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

1481720 is a wasteful number, since it uses less digits than its factorization.

1481720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2207 (or 2203 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 1481720 is about 1217.2592164367. The cubic root of 1481720 is about 114.0045140308.

The spelling of 1481720 in words is "one million, four hundred eighty-one thousand, seven hundred twenty".