1000242259 has 4 divisors (see below), whose sum is σ = 1000353816. Its totient is φ = 1000130704.

The previous prime is 1000242233. The next prime is 1000242317. The reversal of 1000242259 is 9522420001.

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 1000242259 - 2¹¹ = 1000240211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000242059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41029 + ... + 60694.

It is an arithmetic number, because the mean of its divisors is an integer number (250088454).

Almost surely, 2^1000242259 is an apocalyptic number.

1000242259 is a deficient number, since it is larger than the sum of its proper divisors (111557).

1000242259 is an equidigital number, since it uses as much as digits as its factorization.

1000242259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111556.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1000242259 is about 31626.6068208399. The cubic root of 1000242259 is about 1000.0807464798.

The spelling of 1000242259 in words is "one billion, two hundred forty-two thousand, two hundred fifty-nine".