1259028 has 36 divisors (see below), whose sum is σ = 3263988. Its totient is φ = 408960.

The previous prime is 1259017. The next prime is 1259029. The reversal of 1259028 is 8209521.

It can be written as a sum of positive squares in 2 ways, for example, as 66564 + 1192464 = 258^2 + 1092^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 1258992 and 1259010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1259029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1050 + ... + 1902.

2^1259028 is an apocalyptic number.

1259028 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1259028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1631994).

1259028 is an abundant number, since it is smaller than the sum of its proper divisors (2004960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1259028 is a wasteful number, since it uses less digits than its factorization.

1259028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904 (or 899 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 1259028 is about 1122.0641692880. The cubic root of 1259028 is about 107.9804491359.

The spelling of 1259028 in words is "one million, two hundred fifty-nine thousand, twenty-eight".