125863 has 2 divisors, whose sum is σ = 125864. Its totient is φ = 125862.

The previous prime is 125821. The next prime is 125887. The reversal of 125863 is 368521.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (368521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125863 - 2¹³ = 117671 is a prime.

It is a d-powerful number, because it can be written as 1 + 2¹³ + 8⁵ + 5⁷ + 6³ + 3⁸ .

It is a nialpdrome in base 11.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62931 + 62932.

It is an arithmetic number, because the mean of its divisors is an integer number (62932).

2¹²⁵⁸⁶³ is an apocalyptic number.

125863 is a deficient number, since it is larger than the sum of its proper divisors (1).

125863 is an equidigital number, since it uses as much as digits as its factorization.

125863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 25.

The square root of 125863 is about 354.7717576133. The cubic root of 125863 is about 50.1148028709.

The spelling of 125863 in words is "one hundred twenty-five thousand, eight hundred sixty-three".