1265259 has 8 divisors (see below), whose sum is σ = 1786320. Its totient is φ = 793856.

The previous prime is 1265249. The next prime is 1265273. The reversal of 1265259 is 9525621.

It is a happy number.

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 1265259 - 2¹⁷ = 1134187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1265249) 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, 12354 + ... + 12455.

It is an arithmetic number, because the mean of its divisors is an integer number (223290).

2^1265259 is an apocalyptic number.

1265259 is a deficient number, since it is larger than the sum of its proper divisors (521061).

1265259 is a wasteful number, since it uses less digits than its factorization.

1265259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24829.

The product of its digits is 5400, while the sum is 30.

The square root of 1265259 is about 1124.8373215714. The cubic root of 1265259 is about 108.1582898376.

The spelling of 1265259 in words is "one million, two hundred sixty-five thousand, two hundred fifty-nine".