124234303437421 has 2 divisors, whose sum is σ = 124234303437422. Its totient is φ = 124234303437420.

The previous prime is 124234303437359. The next prime is 124234303437487. The reversal of 124234303437421 is 124734303432421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112258474944100 + 11975828493321 = 10595210^2 + 3460611^2 .

It is a cyclic number.

It is not a de Polignac number, because 124234303437421 - 2¹⁷ = 124234303306349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124234303437521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62117151718710 + 62117151718711.

It is an arithmetic number, because the mean of its divisors is an integer number (62117151718711).

Almost surely, 2^{124234303437421} is an apocalyptic number.

It is an amenable number.

124234303437421 is a deficient number, since it is larger than the sum of its proper divisors (1).

124234303437421 is an equidigital number, since it uses as much as digits as its factorization.

124234303437421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1161216, while the sum is 43.

Adding to 124234303437421 its reverse (124734303432421), we get a palindrome (248968606869842).

The spelling of 124234303437421 in words is "one hundred twenty-four trillion, two hundred thirty-four billion, three hundred three million, four hundred thirty-seven thousand, four hundred twenty-one".