124021425233243 has 4 divisors (see below), whose sum is σ = 124022029798968. Its totient is φ = 124020820667520.

The previous prime is 124021425233227. The next prime is 124021425233263. The reversal of 124021425233243 is 342332524120421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 124021425233243 - 2⁴ = 124021425233227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 124021425233197 and 124021425233206.

It is not an unprimeable number, because it can be changed into a prime (124021425233263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 301975046 + ... + 302385467.

It is an arithmetic number, because the mean of its divisors is an integer number (31005507449742).

Almost surely, 2^{124021425233243} is an apocalyptic number.

124021425233243 is a deficient number, since it is larger than the sum of its proper divisors (604565725).

124021425233243 is an equidigital number, since it uses as much as digits as its factorization.

124021425233243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604565724.

The product of its (nonzero) digits is 276480, while the sum is 38.

Adding to 124021425233243 its reverse (342332524120421), we get a palindrome (466353949353664).

The spelling of 124021425233243 in words is "one hundred twenty-four trillion, twenty-one billion, four hundred twenty-five million, two hundred thirty-three thousand, two hundred forty-three".