125899 has 2 divisors, whose sum is σ = 125900.
Its totient is φ = 125898.
The previous prime is 125897. The next prime is 125921. The reversal of 125899 is 998521.
It can be divided in two parts, 125 and 899, that added together give a 10-th power (1024 = 210).
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 125899 - 21 = 125897 is a prime.
Together with 125897, it forms a pair of twin primes.
125899 is a lucky number.
It is a plaindrome in base 10.
It is a nialpdrome in base 11.
It is not a weakly prime, because it can be changed into another prime (125897) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62949 + 62950.
It is an arithmetic number, because the mean of its divisors is an integer number (62950).
2125899 is an apocalyptic number.
125899 is a deficient number, since it is larger than the sum of its proper divisors (1).
125899 is an equidigital number, since it uses as much as digits as its factorization.
125899 is an evil number, because the sum of its binary digits is even.
The product of its digits is 6480, while the sum is 34.
The square root of 125899 is about 354.8224908317.
The cubic root of 125899 is about 50.1195804490.
The spelling of 125899 in words is "one hundred twenty-five thousand, eight hundred ninety-nine".