124181089 has 2 divisors, whose sum is σ = 124181090. Its totient is φ = 124181088.

The previous prime is 124181081. The next prime is 124181137. The reversal of 124181089 is 980181421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85840225 + 38340864 = 9265^2 + 6192^2 .

It is an emirp because it is prime and its reverse (980181421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 124181089 - 2³ = 124181081 is a prime.

It is not a weakly prime, because it can be changed into another prime (124181081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62090544 + 62090545.

It is an arithmetic number, because the mean of its divisors is an integer number (62090545).

Almost surely, 2^124181089 is an apocalyptic number.

It is an amenable number.

124181089 is a deficient number, since it is larger than the sum of its proper divisors (1).

124181089 is an equidigital number, since it uses as much as digits as its factorization.

124181089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 34.

The square root of 124181089 is about 11143.6568952925. The cubic root of 124181089 is about 498.9057255406.

The spelling of 124181089 in words is "one hundred twenty-four million, one hundred eighty-one thousand, eighty-nine".