1142876 has 36 divisors (see below), whose sum is σ = 2470608. Its totient is φ = 460992.
The previous prime is 1142863. The next prime is 1142881. The reversal of 1142876 is 6782411.
Its product of digits (2688) is a multiple of the sum of its prime factors (56).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67220 + ... + 67236.
It is an arithmetic number, because the mean of its divisors is an integer number (68628).
21142876 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1142876, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1235304).
1142876 is an abundant number, since it is smaller than the sum of its proper divisors (1327732).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1142876 is an frugal number, since it uses more digits than its factorization.
1142876 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 56 (or 26 counting only the distinct ones).
The product of its digits is 2688, while the sum is 29.
The square root of 1142876 is about 1069.0537872343. The cubic root of 1142876 is about 104.5521667455.
The spelling of 1142876 in words is "one million, one hundred forty-two thousand, eight hundred seventy-six".
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