121206288107 has 8 divisors (see below), whose sum is σ = 121513518000. Its totient is φ = 120899395584.

The previous prime is 121206288097. The next prime is 121206288131. The reversal of 121206288107 is 701882602121.

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

It is a cyclic number.

It is not a de Polignac number, because 121206288107 - 2⁶ = 121206288043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121206288157) 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, 643019 + ... + 809867.

It is an arithmetic number, because the mean of its divisors is an integer number (15189189750).

Almost surely, 2^121206288107 is an apocalyptic number.

121206288107 is a deficient number, since it is larger than the sum of its proper divisors (307229893).

121206288107 is a wasteful number, since it uses less digits than its factorization.

121206288107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168685.

The product of its (nonzero) digits is 21504, while the sum is 38.

The spelling of 121206288107 in words is "one hundred twenty-one billion, two hundred six million, two hundred eighty-eight thousand, one hundred seven".