1022128 has 20 divisors (see below), whose sum is σ = 1996648. Its totient is φ = 506880.

The previous prime is 1022123. The next prime is 1022129. The reversal of 1022128 is 8212201.

1022128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (1022123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2923 + ... + 3253.

2^1022128 is an apocalyptic number.

It is an amenable number.

1022128 is a deficient number, since it is larger than the sum of its proper divisors (974520).

1022128 is a wasteful number, since it uses less digits than its factorization.

1022128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532 (or 526 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1022128 is about 1011.0034619130. The cubic root of 1022128 is about 100.7322253738.

Adding to 1022128 its reverse (8212201), we get a palindrome (9234329).

It can be divided in two parts, 1022 and 128, that multiplied together give a triangular number (130816 = T₅₁₁).

The spelling of 1022128 in words is "one million, twenty-two thousand, one hundred twenty-eight".