1140825 has 48 divisors (see below), whose sum is σ = 2249856. Its totient is φ = 499200.
The previous prime is 1140803. The next prime is 1140847. The reversal of 1140825 is 5280411.
It is an interprime number because it is at equal distance from previous prime (1140803) and next prime (1140847).
It is not a de Polignac number, because 1140825 - 27 = 1140697 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a Curzon number.
1140825 is a lucky number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21499 + ... + 21551.
It is an arithmetic number, because the mean of its divisors is an integer number (46872).
21140825 is an apocalyptic number.
1140825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1140825 is a deficient number, since it is larger than the sum of its proper divisors (1109031).
1140825 is a wasteful number, since it uses less digits than its factorization.
1140825 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 114 (or 109 counting only the distinct ones).
The product of its (nonzero) digits is 320, while the sum is 21.
The square root of 1140825 is about 1068.0940969784. The cubic root of 1140825 is about 104.4895863496.
The spelling of 1140825 in words is "one million, one hundred forty thousand, eight hundred twenty-five".
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