124240540663 has 4 divisors (see below), whose sum is σ = 125470645128. Its totient is φ = 123010436200.

The previous prime is 124240540607. The next prime is 124240540667. The reversal of 124240540663 is 366045042421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 366045042421 = 302053 ⋅1211857.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124240540663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124240540667) 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, 615052081 + ... + 615052282.

It is an arithmetic number, because the mean of its divisors is an integer number (31367661282).

Almost surely, 2^124240540663 is an apocalyptic number.

124240540663 is a deficient number, since it is larger than the sum of its proper divisors (1230104465).

124240540663 is a wasteful number, since it uses less digits than its factorization.

124240540663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1230104464.

The product of its (nonzero) digits is 138240, while the sum is 37.

The spelling of 124240540663 in words is "one hundred twenty-four billion, two hundred forty million, five hundred forty thousand, six hundred sixty-three".