1258628 has 24 divisors (see below), whose sum is σ = 2553600. Its totient is φ = 531648.

The previous prime is 1258627. The next prime is 1258637. The reversal of 1258628 is 8268521.

It is a junction number, because it is equal to n+sod(n) for n = 1258594 and 1258603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1258627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1928 + ... + 2496.

It is an arithmetic number, because the mean of its divisors is an integer number (106400).

2^1258628 is an apocalyptic number.

It is an amenable number.

1258628 is an abundant number, since it is smaller than the sum of its proper divisors (1294972).

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

1258628 is a wasteful number, since it uses less digits than its factorization.

1258628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659 (or 657 counting only the distinct ones).

The product of its digits is 7680, while the sum is 32.

The square root of 1258628 is about 1121.8859122032. The cubic root of 1258628 is about 107.9690126006.

The spelling of 1258628 in words is "one million, two hundred fifty-eight thousand, six hundred twenty-eight".