1013259 has 8 divisors (see below), whose sum is σ = 1454992. Its totient is φ = 623520.

The previous prime is 1013249. The next prime is 1013263. The reversal of 1013259 is 9523101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1013259 - 2⁵ = 1013227 is a prime.

It is a Duffinian number.

1013259 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1013239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12952 + ... + 13029.

It is an arithmetic number, because the mean of its divisors is an integer number (181874).

2^1013259 is an apocalyptic number.

1013259 is a deficient number, since it is larger than the sum of its proper divisors (441733).

1013259 is a wasteful number, since it uses less digits than its factorization.

1013259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25997.

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 1013259 is about 1006.6076693529. The cubic root of 1013259 is about 100.4400275839.

It can be divided in two parts, 101325 and 9, that multiplied together give a triangular number (911925 = T₁₃₅₀).

The spelling of 1013259 in words is "one million, thirteen thousand, two hundred fifty-nine".