1001259 has 24 divisors (see below), whose sum is σ = 1727232. Its totient is φ = 546480.

The previous prime is 1001237. The next prime is 1001267. The reversal of 1001259 is 9521001.

It is not a de Polignac number, because 1001259 - 2⁸ = 1001003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1001219) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1104 + ... + 1794.

It is an arithmetic number, because the mean of its divisors is an integer number (71968).

2^1001259 is an apocalyptic number.

1001259 is a deficient number, since it is larger than the sum of its proper divisors (725973).

1001259 is a wasteful number, since it uses less digits than its factorization.

1001259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727 (or 724 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

The square root of 1001259 is about 1000.6293019895. The cubic root of 1001259 is about 100.0419490670.

The spelling of 1001259 in words is "one million, one thousand, two hundred fifty-nine".