1001082259 has 4 divisors (see below), whose sum is σ = 1004499216. Its totient is φ = 997665304.

The previous prime is 1001082227. The next prime is 1001082301. The reversal of 1001082259 is 9522801001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1001082259 - 2⁵ = 1001082227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1001002259) 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, 1708039 + ... + 1708624.

It is an arithmetic number, because the mean of its divisors is an integer number (251124804).

Almost surely, 2^1001082259 is an apocalyptic number.

1001082259 is a deficient number, since it is larger than the sum of its proper divisors (3416957).

1001082259 is an equidigital number, since it uses as much as digits as its factorization.

1001082259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3416956.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 1001082259 is about 31639.8839915699. The cubic root of 1001082259 is about 1000.3606229355.

The spelling of 1001082259 in words is "one billion, one million, eighty-two thousand, two hundred fifty-nine".