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125041 = 717863
BaseRepresentation
bin11110100001110001
320100112011
4132201301
513000131
62402521
71030360
oct364161
9210464
10125041
1185a44
1260441
1344bb7
14337d7
15270b1
hex1e871

125041 has 4 divisors (see below), whose sum is σ = 142912. Its totient is φ = 107172.

The previous prime is 125029. The next prime is 125053. The reversal of 125041 is 140521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (125029) and next prime (125053).

It is a cyclic number.

It is not a de Polignac number, because 125041 - 29 = 124529 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8925 + ... + 8938.

It is an arithmetic number, because the mean of its divisors is an integer number (35728).

125041 is a Friedman number, since it can be written as 50^(2+1)+41, using all its digits and the basic arithmetic operations.

2125041 is an apocalyptic number.

It is an amenable number.

125041 is a deficient number, since it is larger than the sum of its proper divisors (17871).

125041 is an equidigital number, since it uses as much as digits as its factorization.

125041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17870.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 125041 is about 353.6113685955. The cubic root of 125041 is about 50.0054660691.

Adding to 125041 its reverse (140521), we get a palindrome (265562).

The spelling of 125041 in words is "one hundred twenty-five thousand, forty-one".

Divisors: 1 7 17863 125041