1430128 has 30 divisors (see below), whose sum is σ = 3194984. Its totient is φ = 607488.

The previous prime is 1430119. The next prime is 1430131. The reversal of 1430128 is 8210341.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12600 + ... + 12712.

2^1430128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1430128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1597492).

1430128 is an abundant number, since it is smaller than the sum of its proper divisors (1764856).

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

1430128 is an equidigital number, since it uses as much as digits as its factorization.

1430128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241 (or 122 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1430128 is about 1195.8795926012. The cubic root of 1430128 is about 112.6656785196.

Adding to 1430128 its reverse (8210341), we get a palindrome (9640469).

The spelling of 1430128 in words is "one million, four hundred thirty thousand, one hundred twenty-eight".