124621141 has 2 divisors, whose sum is σ = 124621142. Its totient is φ = 124621140.

The previous prime is 124621127. The next prime is 124621177. The reversal of 124621141 is 141126421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122744241 + 1876900 = 11079^2 + 1370^2 .

It is an emirp because it is prime and its reverse (141126421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 124621141 - 2¹¹ = 124619093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124621241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62310570 + 62310571.

It is an arithmetic number, because the mean of its divisors is an integer number (62310571).

Almost surely, 2^124621141 is an apocalyptic number.

It is an amenable number.

124621141 is a deficient number, since it is larger than the sum of its proper divisors (1).

124621141 is an equidigital number, since it uses as much as digits as its factorization.

124621141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 384, while the sum is 22.

The square root of 124621141 is about 11163.3839403650. The cubic root of 124621141 is about 499.4943434620.

Adding to 124621141 its reverse (141126421), we get a palindrome (265747562).

The spelling of 124621141 in words is "one hundred twenty-four million, six hundred twenty-one thousand, one hundred forty-one".