121361747337 has 12 divisors (see below), whose sum is σ = 181792905840. Its totient is φ = 80907831396.

The previous prime is 121361747333. The next prime is 121361747383. The reversal of 121361747337 is 733747163121.

121361747337 is a `hidden beast` number, since 1 + 2 + 136 + 17 + 473 + 37 = 666.

It is not a de Polignac number, because 121361747337 - 2² = 121361747333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121361747292 and 121361747301.

It is not an unprimeable number, because it can be changed into a prime (121361747333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 249715287 + ... + 249715772.

It is an arithmetic number, because the mean of its divisors is an integer number (15149408820).

Almost surely, 2^121361747337 is an apocalyptic number.

It is an amenable number.

121361747337 is a deficient number, since it is larger than the sum of its proper divisors (60431158503).

121361747337 is an frugal number, since it uses more digits than its factorization.

121361747337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499431074 (or 499431062 counting only the distinct ones).

The product of its digits is 444528, while the sum is 45.

The spelling of 121361747337 in words is "one hundred twenty-one billion, three hundred sixty-one million, seven hundred forty-seven thousand, three hundred thirty-seven".