1071725 has 12 divisors (see below), whose sum is σ = 1342176. Its totient is φ = 848880.
The previous prime is 1071703. The next prime is 1071739. The reversal of 1071725 is 5271701.
It is a happy number.
It is not a de Polignac number, because 1071725 - 26 = 1071661 is a prime.
It is a super-2 number, since 2×10717252 = 2297188951250, which contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 1071725.
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, 3944 + ... + 4206.
It is an arithmetic number, because the mean of its divisors is an integer number (111848).
21071725 is an apocalyptic number.
It is an amenable number.
1071725 is a deficient number, since it is larger than the sum of its proper divisors (270451).
1071725 is a wasteful number, since it uses less digits than its factorization.
1071725 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 436 (or 431 counting only the distinct ones).
The product of its (nonzero) digits is 490, while the sum is 23.
The square root of 1071725 is about 1035.2415177146. The cubic root of 1071725 is about 102.3358467082.
The spelling of 1071725 in words is "one million, seventy-one thousand, seven hundred twenty-five".
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