131124121144 has 8 divisors (see below), whose sum is σ = 245857727160. Its totient is φ = 65562060568.

The previous prime is 131124121109. The next prime is 131124121157. The reversal of 131124121144 is 441121421131.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8195257564 + ... + 8195257579.

It is an arithmetic number, because the mean of its divisors is an integer number (30732215895).

Almost surely, 2^131124121144 is an apocalyptic number.

It is an amenable number.

131124121144 is a deficient number, since it is larger than the sum of its proper divisors (114733606016).

131124121144 is a wasteful number, since it uses less digits than its factorization.

131124121144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16390515149 (or 16390515145 counting only the distinct ones).

The product of its digits is 768, while the sum is 25.

Adding to 131124121144 its reverse (441121421131), we get a palindrome (572245542275).

The spelling of 131124121144 in words is "one hundred thirty-one billion, one hundred twenty-four million, one hundred twenty-one thousand, one hundred forty-four".