1230128 has 10 divisors (see below), whose sum is σ = 2383404. Its totient is φ = 615056.

The previous prime is 1230127. The next prime is 1230167. The reversal of 1230128 is 8210321.

It is not an unprimeable number, because it can be changed into a prime (1230127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38426 + ... + 38457.

2^1230128 is an apocalyptic number.

It is an amenable number.

1230128 is a deficient number, since it is larger than the sum of its proper divisors (1153276).

1230128 is an equidigital number, since it uses as much as digits as its factorization.

1230128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76891 (or 76885 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1230128 is about 1109.1113559963. Note that the first 3 decimals coincide. The cubic root of 1230128 is about 107.1478434928.

Adding to 1230128 its reverse (8210321), we get a palindrome (9440449).

The spelling of 1230128 in words is "one million, two hundred thirty thousand, one hundred twenty-eight".