124003332421 has 2 divisors, whose sum is σ = 124003332422. Its totient is φ = 124003332420.

The previous prime is 124003332403. The next prime is 124003332491. The reversal of 124003332421 is 124233300421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103870844100 + 20132488321 = 322290^2 + 141889^2 .

It is a cyclic number.

It is not a de Polignac number, because 124003332421 - 2⁵ = 124003332389 is a prime.

It is a super-3 number, since 3×124003332421³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124003332491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62001666210 + 62001666211.

It is an arithmetic number, because the mean of its divisors is an integer number (62001666211).

Almost surely, 2^124003332421 is an apocalyptic number.

It is an amenable number.

124003332421 is a deficient number, since it is larger than the sum of its proper divisors (1).

124003332421 is an equidigital number, since it uses as much as digits as its factorization.

124003332421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 124003332421 its reverse (124233300421), we get a palindrome (248236632842).

The spelling of 124003332421 in words is "one hundred twenty-four billion, three million, three hundred thirty-two thousand, four hundred twenty-one".