1480921 has 8 divisors (see below), whose sum is σ = 1688904. Its totient is φ = 1286400.

The previous prime is 1480909. The next prime is 1480931. The reversal of 1480921 is 1290841.

1480921 = 860² + 861².

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 126025 + 1354896 = 355^2 + 1164^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1480921 - 2⁷ = 1480793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1480931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3130 + ... + 3571.

It is an arithmetic number, because the mean of its divisors is an integer number (211113).

2^1480921 is an apocalyptic number.

1480921 is the 861-st centered square number.

It is an amenable number.

1480921 is a deficient number, since it is larger than the sum of its proper divisors (207983).

1480921 is a wasteful number, since it uses less digits than its factorization.

1480921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6731.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 1480921 is about 1216.9309758569. The cubic root of 1480921 is about 113.9840184840.

It can be divided in two parts, 1480 and 921, that added together give a 4-th power (2401 = 7⁴).

The spelling of 1480921 in words is "one million, four hundred eighty thousand, nine hundred twenty-one".