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125841 = 341947
BaseRepresentation
bin11110101110010001
320101121210
4132232101
513011331
62410333
71032612
oct365621
9211553
10125841
1186601
12609a9
1345381
1433c09
1527446
hex1eb91

125841 has 4 divisors (see below), whose sum is σ = 167792. Its totient is φ = 83892.

The previous prime is 125821. The next prime is 125863. The reversal of 125841 is 148521.

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 not a de Polignac number, because 125841 - 26 = 125777 is a prime.

It is a D-number.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 125841.

It is not an unprimeable number, because it can be changed into a prime (125821) 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, 20971 + ... + 20976.

It is an arithmetic number, because the mean of its divisors is an integer number (41948).

2125841 is an apocalyptic number.

It is an amenable number.

125841 is a deficient number, since it is larger than the sum of its proper divisors (41951).

125841 is an equidigital number, since it uses as much as digits as its factorization.

125841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41950.

The product of its digits is 320, while the sum is 21.

The square root of 125841 is about 354.7407504080. The cubic root of 125841 is about 50.1118827914. Note that the first 3 decimals are identical.

Subtracting from 125841 its product of digits (320), we obtain a palindrome (125521).

The spelling of 125841 in words is "one hundred twenty-five thousand, eight hundred forty-one".

Divisors: 1 3 41947 125841