1178828 has 12 divisors (see below), whose sum is σ = 2357712. Its totient is φ = 505200.

The previous prime is 1178809. The next prime is 1178833. The reversal of 1178828 is 8288711.

1178828 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21023 + ... + 21078.

It is an arithmetic number, because the mean of its divisors is an integer number (196476).

2^1178828 is an apocalyptic number.

It is an amenable number.

1178828 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1178828 is a wasteful number, since it uses less digits than its factorization.

1178828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42112 (or 42110 counting only the distinct ones).

The product of its digits is 7168, while the sum is 35.

The square root of 1178828 is about 1085.7384583775. The cubic root of 1178828 is about 105.6371836838.

The spelling of 1178828 in words is "one million, one hundred seventy-eight thousand, eight hundred twenty-eight".