124016021 has 8 divisors (see below), whose sum is σ = 133728000. Its totient is φ = 114622560.

The previous prime is 124015993. The next prime is 124016047. The reversal of 124016021 is 120610421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 124016021 - 2¹⁴ = 123999637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124010021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78821 + ... + 80378.

It is an arithmetic number, because the mean of its divisors is an integer number (16716000).

Almost surely, 2^124016021 is an apocalyptic number.

It is an amenable number.

124016021 is a deficient number, since it is larger than the sum of its proper divisors (9711979).

124016021 is a wasteful number, since it uses less digits than its factorization.

124016021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159259.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 124016021 is about 11136.2480665617. The cubic root of 124016021 is about 498.6845703244.

Adding to 124016021 its reverse (120610421), we get a palindrome (244626442).

The spelling of 124016021 in words is "one hundred twenty-four million, sixteen thousand, twenty-one".