124261184881 has 2 divisors, whose sum is σ = 124261184882. Its totient is φ = 124261184880.

The previous prime is 124261184869. The next prime is 124261184891. The reversal of 124261184881 is 188481162421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93571751025 + 30689433856 = 305895^2 + 175184^2 .

It is a cyclic number.

It is not a de Polignac number, because 124261184881 - 2¹¹ = 124261182833 is a prime.

It is a super-2 number, since 2×124261184881² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (124261184891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62130592440 + 62130592441.

It is an arithmetic number, because the mean of its divisors is an integer number (62130592441).

Almost surely, 2^124261184881 is an apocalyptic number.

It is an amenable number.

124261184881 is a deficient number, since it is larger than the sum of its proper divisors (1).

124261184881 is an equidigital number, since it uses as much as digits as its factorization.

124261184881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 196608, while the sum is 46.

The spelling of 124261184881 in words is "one hundred twenty-four billion, two hundred sixty-one million, one hundred eighty-four thousand, eight hundred eighty-one".