1087125 has 32 divisors (see below), whose sum is σ = 1956864. Its totient is φ = 532800.
The previous prime is 1087117. The next prime is 1087129. The reversal of 1087125 is 5217801.
It is not a de Polignac number, because 1087125 - 23 = 1087117 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 1087095 and 1087104.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1087129) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4764 + ... + 4986.
It is an arithmetic number, because the mean of its divisors is an integer number (61152).
21087125 is an apocalyptic number.
1087125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1087125 is a deficient number, since it is larger than the sum of its proper divisors (869739).
1087125 is a wasteful number, since it uses less digits than its factorization.
1087125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 254 (or 244 counting only the distinct ones).
The product of its (nonzero) digits is 560, while the sum is 24.
The square root of 1087125 is about 1042.6528664901. The cubic root of 1087125 is about 102.8236842783.
The spelling of 1087125 in words is "one million, eighty-seven thousand, one hundred twenty-five".
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