1480721 has 8 divisors (see below), whose sum is σ = 1625184. Its totient is φ = 1337920.

The previous prime is 1480709. The next prime is 1480733. The reversal of 1480721 is 1270841.

It is an interprime number because it is at equal distance from previous prime (1480709) and next prime (1480733).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1480721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1480741) 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, 2201 + ... + 2793.

It is an arithmetic number, because the mean of its divisors is an integer number (203148).

2^1480721 is an apocalyptic number.

1480721 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1480721 is a deficient number, since it is larger than the sum of its proper divisors (144463).

1480721 is a wasteful number, since it uses less digits than its factorization.

1480721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831.

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

The square root of 1480721 is about 1216.8487991530. The cubic root of 1480721 is about 113.9788870309.

The spelling of 1480721 in words is "one million, four hundred eighty thousand, seven hundred twenty-one".