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124013 = 1961107
BaseRepresentation
bin11110010001101101
320022010002
4132101231
512432023
62354045
71024361
oct362155
9208102
10124013
118519a
125b925
13445a6
14332a1
1526b28
hex1e46d

124013 has 8 divisors (see below), whose sum is σ = 133920. Its totient is φ = 114480.

The previous prime is 124001. The next prime is 124021. The reversal of 124013 is 310421.

It is a happy number.

124013 is nontrivially palindromic in base 4.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 124013 - 24 = 123997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123985 and 124003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1106 + ... + 1212.

It is an arithmetic number, because the mean of its divisors is an integer number (16740).

2124013 is an apocalyptic number.

It is an amenable number.

124013 is a deficient number, since it is larger than the sum of its proper divisors (9907).

124013 is a wasteful number, since it uses less digits than its factorization.

124013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 124013 is about 352.1547955090. The cubic root of 124013 is about 49.8680521013.

Adding to 124013 its reverse (310421), we get a palindrome (434434).

The spelling of 124013 in words is "one hundred twenty-four thousand, thirteen".

Divisors: 1 19 61 107 1159 2033 6527 124013