125455 has 8 divisors (see below), whose sum is σ = 164304. Its totient is φ = 91200.
The previous prime is 125453. The next prime is 125471. The reversal of 125455 is 554521.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 125455 - 21 = 125453 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (125453) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1086 + ... + 1195.
It is an arithmetic number, because the mean of its divisors is an integer number (20538).
2125455 is an apocalyptic number.
125455 is a deficient number, since it is larger than the sum of its proper divisors (38849).
125455 is a wasteful number, since it uses less digits than its factorization.
125455 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2297.
The product of its digits is 1000, while the sum is 22.
The square root of 125455 is about 354.1962732723. The cubic root of 125455 is about 50.0605932063.
Adding to 125455 its reverse (554521), we get a palindrome (679976).
The spelling of 125455 in words is "one hundred twenty-five thousand, four hundred fifty-five".
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