121326786007 has 8 divisors (see below), whose sum is σ = 140032048032. Its totient is φ = 102964740000.

The previous prime is 121326785981. The next prime is 121326786041. The reversal of 121326786007 is 700687623121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121326786007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121326789007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85803244 + ... + 85804657.

It is an arithmetic number, because the mean of its divisors is an integer number (17504006004).

Almost surely, 2^121326786007 is an apocalyptic number.

121326786007 is a deficient number, since it is larger than the sum of its proper divisors (18705262025).

121326786007 is a wasteful number, since it uses less digits than its factorization.

121326786007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171608009.

The product of its (nonzero) digits is 169344, while the sum is 43.

The spelling of 121326786007 in words is "one hundred twenty-one billion, three hundred twenty-six million, seven hundred eighty-six thousand, seven".