124112040211421 has 2 divisors, whose sum is σ = 124112040211422. Its totient is φ = 124112040211420.

The previous prime is 124112040211417. The next prime is 124112040211429.

It is a happy number.

124112040211421 is nontrivially palindromic in base 10.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67716671412196 + 56395368799225 = 8229014^2 + 7509685^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 124112040211421 - 2² = 124112040211417 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124112040211429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62056020105710 + 62056020105711.

It is an arithmetic number, because the mean of its divisors is an integer number (62056020105711).

Almost surely, 2^{124112040211421} is an apocalyptic number.

It is an amenable number.

124112040211421 is a deficient number, since it is larger than the sum of its proper divisors (1).

124112040211421 is an equidigital number, since it uses as much as digits as its factorization.

124112040211421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1024, while the sum is 26.

The spelling of 124112040211421 in words is "one hundred twenty-four trillion, one hundred twelve billion, forty million, two hundred eleven thousand, four hundred twenty-one".