1427128 has 32 divisors (see below), whose sum is σ = 2898000. Its totient is φ = 656640.

The previous prime is 1427117. The next prime is 1427141. The reversal of 1427128 is 8217241.

It is a happy number.

It is an Ulam number.

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, 6118 + ... + 6346.

2^1427128 is an apocalyptic number.

It is an amenable number.

1427128 is an abundant number, since it is smaller than the sum of its proper divisors (1470872).

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

1427128 is a wasteful number, since it uses less digits than its factorization.

1427128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295 (or 291 counting only the distinct ones).

The product of its digits is 896, while the sum is 25.

The square root of 1427128 is about 1194.6246272365. The cubic root of 1427128 is about 112.5868432331.

The spelling of 1427128 in words is "one million, four hundred twenty-seven thousand, one hundred twenty-eight".