124543103885 has 4 divisors (see below), whose sum is σ = 149451724668. Its totient is φ = 99634483104.

The previous prime is 124543103873. The next prime is 124543103987. The reversal of 124543103885 is 588301345421.

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

It can be written as a sum of positive squares in 2 ways, for example, as 22052844004 + 102490259881 = 148502^2 + 320141^2 .

It is a cyclic number.

It is not a de Polignac number, because 124543103885 - 2¹⁶ = 124543038349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12454310384 + ... + 12454310393.

It is an arithmetic number, because the mean of its divisors is an integer number (37362931167).

Almost surely, 2^124543103885 is an apocalyptic number.

It is an amenable number.

124543103885 is a deficient number, since it is larger than the sum of its proper divisors (24908620783).

124543103885 is an equidigital number, since it uses as much as digits as its factorization.

124543103885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24908620782.

The product of its (nonzero) digits is 460800, while the sum is 44.

The spelling of 124543103885 in words is "one hundred twenty-four billion, five hundred forty-three million, one hundred three thousand, eight hundred eighty-five".