124203142120313 has 4 divisors (see below), whose sum is σ = 128209695091968. Its totient is φ = 120196589148660.

The previous prime is 124203142120243. The next prime is 124203142120349. The reversal of 124203142120313 is 313021241302421.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 124203142120313 - 2¹² = 124203142116217 is a prime.

It is a super-2 number, since 2×124203142120313² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124203162120313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2003276485781 + ... + 2003276485842.

It is an arithmetic number, because the mean of its divisors is an integer number (32052423772992).

Almost surely, 2^{124203142120313} is an apocalyptic number.

It is an amenable number.

124203142120313 is a deficient number, since it is larger than the sum of its proper divisors (4006552971655).

124203142120313 is an equidigital number, since it uses as much as digits as its factorization.

124203142120313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4006552971654.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 124203142120313 its reverse (313021241302421), we get a palindrome (437224383422734).

The spelling of 124203142120313 in words is "one hundred twenty-four trillion, two hundred three billion, one hundred forty-two million, one hundred twenty thousand, three hundred thirteen".