124090181 has 2 divisors, whose sum is σ = 124090182. Its totient is φ = 124090180.

The previous prime is 124090163. The next prime is 124090207. The reversal of 124090181 is 181090421.

It is an a-pointer prime, because the next prime (124090207) can be obtained adding 124090181 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103205281 + 20884900 = 10159^2 + 4570^2 .

It is an emirp because it is prime and its reverse (181090421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 124090181 - 2¹⁴ = 124073797 is a prime.

It is a super-2 number, since 2×124090181² = 30796746041225522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 124090181.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124090081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62045090 + 62045091.

It is an arithmetic number, because the mean of its divisors is an integer number (62045091).

Almost surely, 2^124090181 is an apocalyptic number.

It is an amenable number.

124090181 is a deficient number, since it is larger than the sum of its proper divisors (1).

124090181 is an equidigital number, since it uses as much as digits as its factorization.

124090181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 124090181 is about 11139.5772361432. The cubic root of 124090181 is about 498.7839528564.

The spelling of 124090181 in words is "one hundred twenty-four million, ninety thousand, one hundred eighty-one".