1023125 has 10 divisors (see below), whose sum is σ = 1279278. Its totient is φ = 818000.
The previous prime is 1023107. The next prime is 1023133. The reversal of 1023125 is 5213201.
It is a happy number.
It can be written as a sum of positive squares in 5 ways, for example, as 707281 + 315844 = 841^2 + 562^2 .
It is not a de Polignac number, because 1023125 - 28 = 1022869 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 194 + ... + 1443.
21023125 is an apocalyptic number.
It is an amenable number.
1023125 is a deficient number, since it is larger than the sum of its proper divisors (256153).
1023125 is an frugal number, since it uses more digits than its factorization.
1023125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1657 (or 1642 counting only the distinct ones).
The product of its (nonzero) digits is 60, while the sum is 14.
The square root of 1023125 is about 1011.4964162072. The cubic root of 1023125 is about 100.7649666720.
Adding to 1023125 its reverse (5213201), we get a palindrome (6236326).
The spelling of 1023125 in words is "one million, twenty-three thousand, one hundred twenty-five".
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