124130241421 has 2 divisors, whose sum is σ = 124130241422. Its totient is φ = 124130241420.

The previous prime is 124130241409. The next prime is 124130241427. The reversal of 124130241421 is 124142031421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75397471396 + 48732770025 = 274586^2 + 220755^2 .

It is a cyclic number.

It is not a de Polignac number, because 124130241421 - 2⁷ = 124130241293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124130241427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62065120710 + 62065120711.

It is an arithmetic number, because the mean of its divisors is an integer number (62065120711).

Almost surely, 2^124130241421 is an apocalyptic number.

It is an amenable number.

124130241421 is a deficient number, since it is larger than the sum of its proper divisors (1).

124130241421 is an equidigital number, since it uses as much as digits as its factorization.

124130241421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 124130241421 its reverse (124142031421), we get a palindrome (248272272842).

The spelling of 124130241421 in words is "one hundred twenty-four billion, one hundred thirty million, two hundred forty-one thousand, four hundred twenty-one".