125803 has 2 divisors, whose sum is σ = 125804. Its totient is φ = 125802.

The previous prime is 125791. The next prime is 125813. The reversal of 125803 is 308521.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (308521) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125803 is a prime.

125803 is a lucky number.

It is a plaindrome in base 14.

It is not a weakly prime, because it can be changed into another prime (125813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62901 + 62902.

It is an arithmetic number, because the mean of its divisors is an integer number (62902).

2¹²⁵⁸⁰³ is an apocalyptic number.

125803 is a deficient number, since it is larger than the sum of its proper divisors (1).

125803 is an equidigital number, since it uses as much as digits as its factorization.

125803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 125803 is about 354.6871861232. The cubic root of 125803 is about 50.1068382160.

The spelling of 125803 in words is "one hundred twenty-five thousand, eight hundred three".