124051421454021 has 24 divisors (see below), whose sum is σ = 179261597788416. Its totient is φ = 82665776400480.

The previous prime is 124051421454001. The next prime is 124051421454049. The reversal of 124051421454021 is 120454124150421.

It is a happy number.

124051421454021 is a `hidden beast` number, since 1 + 2 + 4 + 0 + 51 + 42 + 1 + 4 + 540 + 21 = 666.

It is not a de Polignac number, because 124051421454021 - 2¹⁰ = 124051421452997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124051421454001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 513905271 + ... + 514146603.

It is an arithmetic number, because the mean of its divisors is an integer number (7469233241184).

Almost surely, 2^{124051421454021} is an apocalyptic number.

It is an amenable number.

124051421454021 is a deficient number, since it is larger than the sum of its proper divisors (55210176334395).

124051421454021 is a wasteful number, since it uses less digits than its factorization.

124051421454021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265393 (or 265390 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 36.

The spelling of 124051421454021 in words is "one hundred twenty-four trillion, fifty-one billion, four hundred twenty-one million, four hundred fifty-four thousand, twenty-one".