1194428 has 6 divisors (see below), whose sum is σ = 2090256. Its totient is φ = 597212.

The previous prime is 1194421. The next prime is 1194439. The reversal of 1194428 is 8244911.

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 1194428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1194421) 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 as a sum of consecutive naturals, namely, 149300 + ... + 149307.

It is an arithmetic number, because the mean of its divisors is an integer number (348376).

2^1194428 is an apocalyptic number.

It is an amenable number.

1194428 is a deficient number, since it is larger than the sum of its proper divisors (895828).

1194428 is a wasteful number, since it uses less digits than its factorization.

1194428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298611 (or 298609 counting only the distinct ones).

The product of its digits is 2304, while the sum is 29.

The square root of 1194428 is about 1092.8988974283. The cubic root of 1194428 is about 106.1011257555.

The spelling of 1194428 in words is "one million, one hundred ninety-four thousand, four hundred twenty-eight".