124234121432421 has 144 divisors (see below), whose sum is σ = 249325398754432. Its totient is φ = 57962727947520.

The previous prime is 124234121432363. The next prime is 124234121432497.

124234121432421 is a `hidden beast` number, since 1 + 2 + 42 + 34 + 121 + 43 + 2 + 421 = 666.

124234121432421 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 124234121432421 - 2¹³ = 124234121424229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124234121432921) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 13274371 + ... + 20607696.

Almost surely, 2^{124234121432421} is an apocalyptic number.

124234121432421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

124234121432421 is an abundant number, since it is smaller than the sum of its proper divisors (125091277322011).

124234121432421 is a wasteful number, since it uses less digits than its factorization.

124234121432421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33882152 (or 33882138 counting only the distinct ones).

The product of its digits is 73728, while the sum is 36.

The spelling of 124234121432421 in words is "one hundred twenty-four trillion, two hundred thirty-four billion, one hundred twenty-one million, four hundred thirty-two thousand, four hundred twenty-one".