1020481 has 16 divisors (see below), whose sum is σ = 1319040. Its totient is φ = 766080.

The previous prime is 1020457. The next prime is 1020491. The reversal of 1020481 is 1840201.

It is a happy number.

It is not a de Polignac number, because 1020481 - 2⁷ = 1020353 is a prime.

It is a super-2 number, since 2×1020481² = 2082762942722, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2005 + ... + 2461.

It is an arithmetic number, because the mean of its divisors is an integer number (82440).

2^1020481 is an apocalyptic number.

1020481 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1020481 is a deficient number, since it is larger than the sum of its proper divisors (298559).

1020481 is a wasteful number, since it uses less digits than its factorization.

1020481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1020481 is about 1010.1885962532. The cubic root of 1020481 is about 100.6780915258.

Adding to 1020481 its reverse (1840201), we get a palindrome (2860682).

The spelling of 1020481 in words is "one million, twenty thousand, four hundred eighty-one".