124542115516031 has 4 divisors (see below), whose sum is σ = 124543732414200. Its totient is φ = 124540498617864.

The previous prime is 124542115515947. The next prime is 124542115516051. The reversal of 124542115516031 is 130615511245421.

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 124542115516031 - 2¹⁴ = 124542115499647 is a prime.

It is a super-2 number, since 2×124542115516031² (a number of 29 digits) contains 22 as substring.

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 124542115516031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124542115516051) 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, 808333541 + ... + 808487598.

It is an arithmetic number, because the mean of its divisors is an integer number (31135933103550).

Almost surely, 2^{124542115516031} is an apocalyptic number.

124542115516031 is a deficient number, since it is larger than the sum of its proper divisors (1616898169).

124542115516031 is an equidigital number, since it uses as much as digits as its factorization.

124542115516031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1616898168.

The product of its (nonzero) digits is 144000, while the sum is 41.

The spelling of 124542115516031 in words is "one hundred twenty-four trillion, five hundred forty-two billion, one hundred fifteen million, five hundred sixteen thousand, thirty-one".