1258026 has 48 divisors (see below), whose sum is σ = 3201120. Its totient is φ = 325920.

The previous prime is 1258013. The next prime is 1258027. The reversal of 1258026 is 6208521.

It is a junction number, because it is equal to n+sod(n) for n = 1257987 and 1258005.

It is not an unprimeable number, because it can be changed into a prime (1258027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3040 + ... + 3428.

It is an arithmetic number, because the mean of its divisors is an integer number (66690).

2^1258026 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1258026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1600560).

1258026 is an abundant number, since it is smaller than the sum of its proper divisors (1943094).

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

1258026 is a wasteful number, since it uses less digits than its factorization.

1258026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419 (or 412 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 1258026 is about 1121.6175818879. The cubic root of 1258026 is about 107.9517960465.

The spelling of 1258026 in words is "one million, two hundred fifty-eight thousand, twenty-six".