1258228 has 24 divisors (see below), whose sum is σ = 2320640. Its totient is φ = 596160.

The previous prime is 1258219. The next prime is 1258241. The reversal of 1258228 is 8228521.

1258228 is nontrivially palindromic in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 1258196 and 1258205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8983 + ... + 9121.

2^1258228 is an apocalyptic number.

It is an amenable number.

1258228 is a deficient number, since it is larger than the sum of its proper divisors (1062412).

1258228 is a wasteful number, since it uses less digits than its factorization.

1258228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247 (or 245 counting only the distinct ones).

The product of its digits is 2560, while the sum is 28.

The square root of 1258228 is about 1121.7076267905. The cubic root of 1258228 is about 107.9575736419.

The spelling of 1258228 in words is "one million, two hundred fifty-eight thousand, two hundred twenty-eight".