121360863937 has 4 divisors (see below), whose sum is σ = 121361651136. Its totient is φ = 121360076740.

The previous prime is 121360863823. The next prime is 121360863959. The reversal of 121360863937 is 739368063121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 121360863937 - 2¹¹ = 121360861889 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121360863737) 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 3 ways as a sum of consecutive naturals, for example, 77989 + ... + 498802.

It is an arithmetic number, because the mean of its divisors is an integer number (30340412784).

Almost surely, 2^121360863937 is an apocalyptic number.

It is an amenable number.

121360863937 is a deficient number, since it is larger than the sum of its proper divisors (787199).

121360863937 is an equidigital number, since it uses as much as digits as its factorization.

121360863937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787198.

The product of its (nonzero) digits is 979776, while the sum is 49.

The spelling of 121360863937 in words is "one hundred twenty-one billion, three hundred sixty million, eight hundred sixty-three thousand, nine hundred thirty-seven".