124001020013 has 8 divisors (see below), whose sum is σ = 133935824568. Its totient is φ = 114122824704.

The previous prime is 124001019941. The next prime is 124001020061. The reversal of 124001020013 is 310020100421.

It can be written as a sum of positive squares in 4 ways, for example, as 4933236169 + 119067783844 = 70237^2 + 345062^2 .

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 124001020013 - 2¹⁶ = 124000954477 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 124001020013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124001020313) 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, 14147756 + ... + 14156517.

It is an arithmetic number, because the mean of its divisors is an integer number (16741978071).

Almost surely, 2^124001020013 is an apocalyptic number.

124001020013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

124001020013 is a deficient number, since it is larger than the sum of its proper divisors (9934804555).

124001020013 is a wasteful number, since it uses less digits than its factorization.

124001020013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28304623.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 124001020013 its reverse (310020100421), we get a palindrome (434021120434).

The spelling of 124001020013 in words is "one hundred twenty-four billion, one million, twenty thousand, thirteen".