1259959 has 4 divisors (see below), whose sum is σ = 1267416. Its totient is φ = 1252504.

The previous prime is 1259953. The next prime is 1259977. The reversal of 1259959 is 9599521.

1259959 = T₉₁₅ + T₉₁₆ + T₉₁₇.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9599521 = 109 ⋅88069.

It is a cyclic number.

It is not a de Polignac number, because 1259959 - 2⁵ = 1259927 is a prime.

It is a super-3 number, since 3×1259959³ = 6000542194662333237, which contains 333 as substring.

It is a Duffinian number.

1259959 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1259953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3469 + ... + 3814.

It is an arithmetic number, because the mean of its divisors is an integer number (316854).

2^1259959 is an apocalyptic number.

1259959 is the 917-th centered triangular number.

1259959 is a deficient number, since it is larger than the sum of its proper divisors (7457).

1259959 is an equidigital number, since it uses as much as digits as its factorization.

1259959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7456.

The product of its digits is 36450, while the sum is 40.

The square root of 1259959 is about 1122.4789530321. The cubic root of 1259959 is about 108.0070582950.

The spelling of 1259959 in words is "one million, two hundred fifty-nine thousand, nine hundred fifty-nine".