1021136 has 20 divisors (see below), whose sum is σ = 2083200. Its totient is φ = 483552.

The previous prime is 1021129. The next prime is 1021157. The reversal of 1021136 is 6311201.

1021136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 1021136.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1376 + ... + 1983.

It is an arithmetic number, because the mean of its divisors is an integer number (104160).

2^1021136 is an apocalyptic number.

1021136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1021136 is an abundant number, since it is smaller than the sum of its proper divisors (1062064).

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

1021136 is a wasteful number, since it uses less digits than its factorization.

1021136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3386 (or 3380 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1021136 is about 1010.5127411369. The cubic root of 1021136 is about 100.6996271370.

Adding to 1021136 its reverse (6311201), we get a palindrome (7332337).

The spelling of 1021136 in words is "one million, twenty-one thousand, one hundred thirty-six".