124203421243 has 8 divisors (see below), whose sum is σ = 135753719616. Its totient is φ = 112696302600.

The previous prime is 124203421229. The next prime is 124203421259. The reversal of 124203421243 is 342124302421.

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 124203421243 - 2²⁵ = 124169866811 is a prime.

It is a super-2 number, since 2×124203421243² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124203451243) 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, 10788913 + ... + 10800418.

It is an arithmetic number, because the mean of its divisors is an integer number (16969214952).

Almost surely, 2^124203421243 is an apocalyptic number.

124203421243 is a deficient number, since it is larger than the sum of its proper divisors (11550298373).

124203421243 is a wasteful number, since it uses less digits than its factorization.

124203421243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21589865.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 124203421243 its reverse (342124302421), we get a palindrome (466327723664).

The spelling of 124203421243 in words is "one hundred twenty-four billion, two hundred three million, four hundred twenty-one thousand, two hundred forty-three".