1021160 has 48 divisors (see below), whose sum is σ = 2677860. Its totient is φ = 349440.

The previous prime is 1021159. The next prime is 1021183. The reversal of 1021160 is 611201.

It can be written as a sum of positive squares in 2 ways, for example, as 988036 + 33124 = 994^2 + 182^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1700 + ... + 2220.

2^1021160 is an apocalyptic number.

1021160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1021160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1338930).

1021160 is an abundant number, since it is smaller than the sum of its proper divisors (1656700).

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

1021160 is a wasteful number, since it uses less digits than its factorization.

1021160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546 (or 535 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1021160 is about 1010.5246162266. The cubic root of 1021160 is about 100.7004160531.

Adding to 1021160 its reverse (611201), we get a palindrome (1632361).

It can be divided in two parts, 10 and 21160, that multiplied together give a square (211600 = 460²).

The spelling of 1021160 in words is "one million, twenty-one thousand, one hundred sixty".