124121302113 has 4 divisors (see below), whose sum is σ = 165495069488. Its totient is φ = 82747534740.

The previous prime is 124121302111. The next prime is 124121302159. The reversal of 124121302113 is 311203121421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 124121302113 - 2¹ = 124121302111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 124121302113.

It is not an unprimeable number, because it can be changed into a prime (124121302111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20686883683 + ... + 20686883688.

It is an arithmetic number, because the mean of its divisors is an integer number (41373767372).

Almost surely, 2^124121302113 is an apocalyptic number.

It is an amenable number.

124121302113 is a deficient number, since it is larger than the sum of its proper divisors (41373767375).

124121302113 is an equidigital number, since it uses as much as digits as its factorization.

124121302113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41373767374.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 124121302113 its reverse (311203121421), we get a palindrome (435324423534).

The spelling of 124121302113 in words is "one hundred twenty-four billion, one hundred twenty-one million, three hundred two thousand, one hundred thirteen".