124235145250243 has 32 divisors (see below), whose sum is σ = 130127532503040. Its totient is φ = 118474583040000.

The previous prime is 124235145250231. The next prime is 124235145250247. The reversal of 124235145250243 is 342052541532421.

It is a cyclic number.

It is not a de Polignac number, because 124235145250243 - 2³⁷ = 124097706296771 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 124235145250243.

It is not an unprimeable number, because it can be changed into a prime (124235145250247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 903518728 + ... + 903656218.

It is an arithmetic number, because the mean of its divisors is an integer number (4066485390720).

Almost surely, 2^{124235145250243} is an apocalyptic number.

124235145250243 is a deficient number, since it is larger than the sum of its proper divisors (5892387252797).

124235145250243 is a wasteful number, since it uses less digits than its factorization.

124235145250243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139219.

The product of its (nonzero) digits is 1152000, while the sum is 43.

Adding to 124235145250243 its reverse (342052541532421), we get a palindrome (466287686782664).

The spelling of 124235145250243 in words is "one hundred twenty-four trillion, two hundred thirty-five billion, one hundred forty-five million, two hundred fifty thousand, two hundred forty-three".