1258328 has 8 divisors (see below), whose sum is σ = 2359380. Its totient is φ = 629160.

The previous prime is 1258319. The next prime is 1258337. The reversal of 1258328 is 8238521.

It is an interprime number because it is at equal distance from previous prime (1258319) and next prime (1258337).

It is a tau number, because it is divible by the number of its divisors (8).

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 1258328.

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, 78638 + ... + 78653.

2^1258328 is an apocalyptic number.

It is an amenable number.

1258328 is a deficient number, since it is larger than the sum of its proper divisors (1101052).

1258328 is a wasteful number, since it uses less digits than its factorization.

1258328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157297 (or 157293 counting only the distinct ones).

The product of its digits is 3840, while the sum is 29.

The square root of 1258328 is about 1121.7522008002. The cubic root of 1258328 is about 107.9604336088.

The spelling of 1258328 in words is "one million, two hundred fifty-eight thousand, three hundred twenty-eight".