Search a number
124589 = 314019
BaseRepresentation
bin11110011010101101
320022220102
4132122231
512441324
62400445
71026143
oct363255
9208812
10124589
1185673
1260125
134492a
1433593
1526dae

124589 has 4 divisors (see below), whose sum is σ = 128640. Its totient is φ = 120540.

The previous prime is 124577. The next prime is 124601. The reversal of 124589 is 985421.

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, and also an emirpimes, since its reverse is a distinct semiprime: 985421 = 3726633.

It is an interprime number because it is at equal distance from previous prime (124577) and next prime (124601).

It is a cyclic number.

It is not a de Polignac number, because 124589 - 216 = 59053 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1979 + ... + 2040.

It is an arithmetic number, because the mean of its divisors is an integer number (32160).

2124589 is an apocalyptic number.

It is an amenable number.

124589 is a deficient number, since it is larger than the sum of its proper divisors (4051).

124589 is an equidigital number, since it uses as much as digits as its factorization.

124589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4050.

The product of its digits is 2880, while the sum is 29.

The square root of 124589 is about 352.9716702513. The cubic root of 124589 is about 49.9451398292.

The spelling of 124589 in words is "one hundred twenty-four thousand, five hundred eighty-nine".

Divisors: 1 31 4019 124589