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124161 = 341387
BaseRepresentation
bin11110010100000001
320022022120
4132110001
512433121
62354453
71024662
oct362401
9208276
10124161
1185314
125ba29
134468b
1433369
1526bc6
hex1e501

124161 has 4 divisors (see below), whose sum is σ = 165552. Its totient is φ = 82772.

The previous prime is 124153. The next prime is 124171. The reversal of 124161 is 161421.

Adding to 124161 its reverse (161421), we get a palindrome (285582).

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 a cyclic number.

It is not a de Polignac number, because 124161 - 23 = 124153 is a prime.

It is a D-number.

It is a Curzon number.

124161 is a lucky number.

It is a plaindrome in base 13 and base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 124161.

It is not an unprimeable number, because it can be changed into a prime (124121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20691 + ... + 20696.

It is an arithmetic number, because the mean of its divisors is an integer number (41388).

2124161 is an apocalyptic number.

It is an amenable number.

124161 is a deficient number, since it is larger than the sum of its proper divisors (41391).

124161 is an equidigital number, since it uses as much as digits as its factorization.

124161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41390.

The product of its digits is 48, while the sum is 15.

The square root of 124161 is about 352.3648677153. The cubic root of 124161 is about 49.8878821128.

The spelling of 124161 in words is "one hundred twenty-four thousand, one hundred sixty-one".

Divisors: 1 3 41387 124161