1009481 has 4 divisors (see below), whose sum is σ = 1101264. Its totient is φ = 917700.

The previous prime is 1009457. The next prime is 1009483. The reversal of 1009481 is 1849001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1009481 - 2⁶ = 1009417 is a prime.

It is a super-2 number, since 2×1009481² = 2038103778722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1009483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45875 + ... + 45896.

It is an arithmetic number, because the mean of its divisors is an integer number (275316).

2^1009481 is an apocalyptic number.

1009481 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1009481 is a deficient number, since it is larger than the sum of its proper divisors (91783).

1009481 is an equidigital number, since it uses as much as digits as its factorization.

1009481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91782.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 1009481 is about 1004.7293167814. The cubic root of 1009481 is about 100.3150397904.

The spelling of 1009481 in words is "one million, nine thousand, four hundred eighty-one".