1150428 has 12 divisors (see below), whose sum is σ = 2684360. Its totient is φ = 383472.

The previous prime is 1150423. The next prime is 1150447. The reversal of 1150428 is 8240511.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1150421) 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 3 ways as a sum of consecutive naturals, for example, 47923 + ... + 47946.

2^1150428 is an apocalyptic number.

It is an amenable number.

1150428 is an abundant number, since it is smaller than the sum of its proper divisors (1533932).

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

1150428 is a wasteful number, since it uses less digits than its factorization.

1150428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95876 (or 95874 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 1150428 is about 1072.5800669414. The cubic root of 1150428 is about 104.7819511291.

Adding to 1150428 its reverse (8240511), we get a palindrome (9390939).

The spelling of 1150428 in words is "one million, one hundred fifty thousand, four hundred twenty-eight".