124131123102131 has 4 divisors (see below), whose sum is σ = 124189209731832. Its totient is φ = 124073036472432.

The previous prime is 124131123102127. The next prime is 124131123102139. The reversal of 124131123102131 is 131201321131421.

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 124131123102131 - 2² = 124131123102127 is a prime.

It is a super-2 number, since 2×124131123102131² (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 124131123102131.

It is not an unprimeable number, because it can be changed into a prime (124131123102139) 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, 29043311645 + ... + 29043315918.

It is an arithmetic number, because the mean of its divisors is an integer number (31047302432958).

Almost surely, 2^{124131123102131} is an apocalyptic number.

124131123102131 is a deficient number, since it is larger than the sum of its proper divisors (58086629701).

124131123102131 is an equidigital number, since it uses as much as digits as its factorization.

124131123102131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58086629700.

The product of its (nonzero) digits is 864, while the sum is 26.

Adding to 124131123102131 its reverse (131201321131421), we get a palindrome (255332444233552).

The spelling of 124131123102131 in words is "one hundred twenty-four trillion, one hundred thirty-one billion, one hundred twenty-three million, one hundred two thousand, one hundred thirty-one".