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124043 = 163761
BaseRepresentation
bin11110010010001011
320022011012
4132102023
512432133
62354135
71024433
oct362213
9208135
10124043
1185217
125b94b
13445ca
14332c3
1526b48
hex1e48b

124043 has 4 divisors (see below), whose sum is σ = 124968. Its totient is φ = 123120.

The previous prime is 124021. The next prime is 124067. The reversal of 124043 is 340421.

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, and also an emirpimes, since its reverse is a distinct semiprime: 340421 = 477243.

It is a cyclic number.

It is not a de Polignac number, because 124043 - 26 = 123979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124343) 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, 218 + ... + 543.

It is an arithmetic number, because the mean of its divisors is an integer number (31242).

2124043 is an apocalyptic number.

124043 is a deficient number, since it is larger than the sum of its proper divisors (925).

124043 is an equidigital number, since it uses as much as digits as its factorization.

124043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 124043 is about 352.1973878381. The cubic root of 124043 is about 49.8720729727.

Adding to 124043 its reverse (340421), we get a palindrome (464464).

It can be divided in two parts, 12 and 4043, that multiplied together give a triangular number (48516 = T311).

The spelling of 124043 in words is "one hundred twenty-four thousand, forty-three", and thus it is an iban number.

Divisors: 1 163 761 124043