124133121331421 has 12 divisors (see below), whose sum is σ = 131878917944340. Its totient is φ = 116818483883520.

The previous prime is 124133121331381. The next prime is 124133121331433.

It is a happy number.

124133121331421 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 6 ways, for example, as 14040271291225 + 110092850040196 = 3747035^2 + 10492514^2 .

It is not a de Polignac number, because 124133121331421 - 2¹⁴ = 124133121315037 is a prime.

It is a super-2 number, since 2×124133121331421² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124133121331621) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20659610 + ... + 25982411.

It is an arithmetic number, because the mean of its divisors is an integer number (10989909828695).

Almost surely, 2^{124133121331421} is an apocalyptic number.

It is an amenable number.

124133121331421 is a deficient number, since it is larger than the sum of its proper divisors (7745796612919).

124133121331421 is an equidigital number, since it uses as much as digits as its factorization.

124133121331421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46651264 (or 46651247 counting only the distinct ones).

The product of its digits is 10368, while the sum is 32.

The spelling of 124133121331421 in words is "one hundred twenty-four trillion, one hundred thirty-three billion, one hundred twenty-one million, three hundred thirty-one thousand, four hundred twenty-one".