121334131124 has 24 divisors (see below), whose sum is σ = 219993134760. Its totient is φ = 58485359744.

The previous prime is 121334131111. The next prime is 121334131159. The reversal of 121334131124 is 421131433121.

It can be written as a sum of positive squares in 4 ways, for example, as 22695422500 + 98638708624 = 150650^2 + 314068^2 .

It is a junction number, because it is equal to n+sod(n) for n = 121334131093 and 121334131102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 725159 + ... + 876654.

It is an arithmetic number, because the mean of its divisors is an integer number (9166380615).

Almost surely, 2^121334131124 is an apocalyptic number.

It is an amenable number.

121334131124 is a deficient number, since it is larger than the sum of its proper divisors (98659003636).

121334131124 is a wasteful number, since it uses less digits than its factorization.

121334131124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1602499 (or 1602497 counting only the distinct ones).

The product of its digits is 1728, while the sum is 26.

Adding to 121334131124 its reverse (421131433121), we get a palindrome (542465564245).

The spelling of 121334131124 in words is "one hundred twenty-one billion, three hundred thirty-four million, one hundred thirty-one thousand, one hundred twenty-four".