124055413121 has 2 divisors, whose sum is σ = 124055413122. Its totient is φ = 124055413120.

The previous prime is 124055413087. The next prime is 124055413189. The reversal of 124055413121 is 121314550421.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92820152896 + 31235260225 = 304664^2 + 176735^2 .

It is a cyclic number.

It is not a de Polignac number, because 124055413121 - 2³⁴ = 106875543937 is a prime.

It is not a weakly prime, because it can be changed into another prime (124055413621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62027706560 + 62027706561.

It is an arithmetic number, because the mean of its divisors is an integer number (62027706561).

Almost surely, 2^124055413121 is an apocalyptic number.

It is an amenable number.

124055413121 is a deficient number, since it is larger than the sum of its proper divisors (1).

124055413121 is an equidigital number, since it uses as much as digits as its factorization.

124055413121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 124055413121 its reverse (121314550421), we get a palindrome (245369963542).

The spelling of 124055413121 in words is "one hundred twenty-four billion, fifty-five million, four hundred thirteen thousand, one hundred twenty-one".