124041242140421 has 2 divisors, whose sum is σ = 124041242140422. Its totient is φ = 124041242140420.

The previous prime is 124041242140391. The next prime is 124041242140433.

It is a happy number.

124041242140421 is nontrivially palindromic in base 10.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92597028880225 + 31444213260196 = 9622735^2 + 5607514^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 124041242140421 - 2²² = 124041237946117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124041242160421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62020621070210 + 62020621070211.

It is an arithmetic number, because the mean of its divisors is an integer number (62020621070211).

Almost surely, 2^{124041242140421} is an apocalyptic number.

It is an amenable number.

124041242140421 is a deficient number, since it is larger than the sum of its proper divisors (1).

124041242140421 is an equidigital number, since it uses as much as digits as its factorization.

124041242140421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16384, while the sum is 32.

The spelling of 124041242140421 in words is "one hundred twenty-four trillion, forty-one billion, two hundred forty-two million, one hundred forty thousand, four hundred twenty-one".