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125263 = 229547
BaseRepresentation
bin11110100101001111
320100211101
4132211033
513002023
62403531
71031125
oct364517
9210741
10125263
1186126
12605a7
1345028
1433915
15271ad
hex1e94f

125263 has 4 divisors (see below), whose sum is σ = 126040. Its totient is φ = 124488.

The previous prime is 125261. The next prime is 125269. The reversal of 125263 is 362521.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 125263 - 21 = 125261 is a prime.

It is a d-powerful number, because it can be written as 1 + 24 + 216 + 54 + 62 + 310 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45 + ... + 502.

It is an arithmetic number, because the mean of its divisors is an integer number (31510).

2125263 is an apocalyptic number.

125263 is a deficient number, since it is larger than the sum of its proper divisors (777).

125263 is an equidigital number, since it uses as much as digits as its factorization.

125263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776.

The product of its digits is 360, while the sum is 19.

The square root of 125263 is about 353.9251333262. The cubic root of 125263 is about 50.0350421020.

Adding to 125263 its reverse (362521), we get a palindrome (487784).

The spelling of 125263 in words is "one hundred twenty-five thousand, two hundred sixty-three".

Divisors: 1 229 547 125263