1011140 has 24 divisors (see below), whose sum is σ = 2287320. Its totient is φ = 373248.
The previous prime is 1011139. The next prime is 1011163. The reversal of 1011140 is 411101.
It can be written as a sum of positive squares in 4 ways, for example, as 58564 + 952576 = 242^2 + 976^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1685 + ... + 2204.
It is an arithmetic number, because the mean of its divisors is an integer number (95305).
21011140 is an apocalyptic number.
1011140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1011140 is an abundant number, since it is smaller than the sum of its proper divisors (1276180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1011140 is a wasteful number, since it uses less digits than its factorization.
1011140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3911 (or 3909 counting only the distinct ones).
The product of its (nonzero) digits is 4, while the sum is 8.
The square root of 1011140 is about 1005.5545733574. The cubic root of 1011140 is about 100.3699629198.
Adding to 1011140 its reverse (411101), we get a palindrome (1422241).
The spelling of 1011140 in words is "one million, eleven thousand, one hundred forty".
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