124121411131181 has 2 divisors, whose sum is σ = 124121411131182. Its totient is φ = 124121411131180.

The previous prime is 124121411131163. The next prime is 124121411131187. The reversal of 124121411131181 is 181131114121421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109342261189225 + 14779149941956 = 10456685^2 + 3844366^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124121411131181 is a prime.

It is a super-2 number, since 2×124121411131181² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124121411131187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62060705565590 + 62060705565591.

It is an arithmetic number, because the mean of its divisors is an integer number (62060705565591).

Almost surely, 2^{124121411131181} is an apocalyptic number.

It is an amenable number.

124121411131181 is a deficient number, since it is larger than the sum of its proper divisors (1).

124121411131181 is an equidigital number, since it uses as much as digits as its factorization.

124121411131181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1536, while the sum is 32.

The spelling of 124121411131181 in words is "one hundred twenty-four trillion, one hundred twenty-one billion, four hundred eleven million, one hundred thirty-one thousand, one hundred eighty-one".