1009231 has 8 divisors (see below), whose sum is σ = 1045440. Its totient is φ = 973728.

The previous prime is 1009207. The next prime is 1009237. The reversal of 1009231 is 1329001.

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 1009231 - 2⁵ = 1009199 is a prime.

It is a super-2 number, since 2×1009231² = 2037094422722, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

1009231 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1009237) by changing a digit.

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, 5025 + ... + 5221.

It is an arithmetic number, because the mean of its divisors is an integer number (130680).

2^1009231 is an apocalyptic number.

1009231 is a deficient number, since it is larger than the sum of its proper divisors (36209).

1009231 is a wasteful number, since it uses less digits than its factorization.

1009231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 1009231 is about 1004.6048974597. The cubic root of 1009231 is about 100.3067580329.

The spelling of 1009231 in words is "one million, nine thousand, two hundred thirty-one".