121746140007 has 8 divisors (see below), whose sum is σ = 162340039680. Its totient is φ = 81158166840.

The previous prime is 121746140003. The next prime is 121746140017. The reversal of 121746140007 is 700041647121.

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

It is not a de Polignac number, because 121746140007 - 2² = 121746140003 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121746140007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121746140003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1433469 + ... + 1516022.

It is an arithmetic number, because the mean of its divisors is an integer number (20292504960).

Almost surely, 2^121746140007 is an apocalyptic number.

121746140007 is a deficient number, since it is larger than the sum of its proper divisors (40593899673).

121746140007 is a wasteful number, since it uses less digits than its factorization.

121746140007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2963253.

The product of its (nonzero) digits is 9408, while the sum is 33.

Adding to 121746140007 its reverse (700041647121), we get a palindrome (821787787128).

The spelling of 121746140007 in words is "one hundred twenty-one billion, seven hundred forty-six million, one hundred forty thousand, seven".