1021088 has 24 divisors (see below), whose sum is σ = 2129652. Its totient is φ = 480256.

The previous prime is 1021087. The next prime is 1021091. The reversal of 1021088 is 8801201.

It can be written as a sum of positive squares in 2 ways, for example, as 976144 + 44944 = 988^2 + 212^2 .

It is not an unprimeable number, because it can be changed into a prime (1021081) 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, 395 + ... + 1482.

2^1021088 is an apocalyptic number.

It is an amenable number.

1021088 is an abundant number, since it is smaller than the sum of its proper divisors (1108564).

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

1021088 is a wasteful number, since it uses less digits than its factorization.

1021088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1904 (or 1896 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

The square root of 1021088 is about 1010.4889905387. The cubic root of 1021088 is about 100.6980492675.

Adding to 1021088 its reverse (8801201), we get a palindrome (9822289).

The spelling of 1021088 in words is "one million, twenty-one thousand, eighty-eight".