124101421 has 2 divisors, whose sum is σ = 124101422. Its totient is φ = 124101420.

The previous prime is 124101391. The next prime is 124101431.

It is a happy number.

124101421 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., 109432521 + 14668900 = 10461^2 + 3830^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 124101421 - 2⁹ = 124100909 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 124101395 and 124101404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124101431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62050710 + 62050711.

It is an arithmetic number, because the mean of its divisors is an integer number (62050711).

Almost surely, 2^124101421 is an apocalyptic number.

It is an amenable number.

124101421 is a deficient number, since it is larger than the sum of its proper divisors (1).

124101421 is an equidigital number, since it uses as much as digits as its factorization.

124101421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 124101421 is about 11140.0817321957. The cubic root of 124101421 is about 498.7990122331.

It can be divided in two parts, 12410 and 1421, that added together give a palindrome (13831).

The spelling of 124101421 in words is "one hundred twenty-four million, one hundred one thousand, four hundred twenty-one".