1259798 has 4 divisors (see below), whose sum is σ = 1889700. Its totient is φ = 629898.

The previous prime is 1259777. The next prime is 1259803. The reversal of 1259798 is 8979521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8979521 = 83 ⋅108187.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314948 + ... + 314951.

It is an arithmetic number, because the mean of its divisors is an integer number (472425).

2^1259798 is an apocalyptic number.

1259798 is a deficient number, since it is larger than the sum of its proper divisors (629902).

1259798 is an equidigital number, since it uses as much as digits as its factorization.

1259798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629901.

The product of its digits is 45360, while the sum is 41.

The square root of 1259798 is about 1122.4072344742. The cubic root of 1259798 is about 108.0024576487.

The spelling of 1259798 in words is "one million, two hundred fifty-nine thousand, seven hundred ninety-eight".