1189628 has 24 divisors (see below), whose sum is σ = 2392320. Its totient is φ = 511920.

The previous prime is 1189627. The next prime is 1189631. The reversal of 1189628 is 8269811.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1189621) by changing a digit.

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, 125 + ... + 1547.

It is an arithmetic number, because the mean of its divisors is an integer number (99680).

2^1189628 is an apocalyptic number.

It is an amenable number.

1189628 is an abundant number, since it is smaller than the sum of its proper divisors (1202692).

1189628 is a wasteful number, since it uses less digits than its factorization.

1189628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1457 (or 1455 counting only the distinct ones).

The product of its digits is 6912, while the sum is 35.

The square root of 1189628 is about 1090.7006922158. The cubic root of 1189628 is about 105.9588068252.

The spelling of 1189628 in words is "one million, one hundred eighty-nine thousand, six hundred twenty-eight".