125575 has 6 divisors (see below), whose sum is σ = 155744. Its totient is φ = 100440.
The previous prime is 125551. The next prime is 125591. The reversal of 125575 is 575521.
It is a happy number.
It is not a de Polignac number, because 125575 - 29 = 125063 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 5023 = 125575 / (1 + 2 + 5 + 5 + 7 + 5).
It is a Duffinian number.
125575 is a lucky number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2487 + ... + 2536.
2125575 is an apocalyptic number.
125575 is a deficient number, since it is larger than the sum of its proper divisors (30169).
125575 is an equidigital number, since it uses as much as digits as its factorization.
125575 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5033 (or 5028 counting only the distinct ones).
The product of its digits is 1750, while the sum is 25.
The square root of 125575 is about 354.3656303876. The cubic root of 125575 is about 50.0765494106.
The spelling of 125575 in words is "one hundred twenty-five thousand, five hundred seventy-five".
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