121167172938 has 16 divisors (see below), whose sum is σ = 276953538240. Its totient is φ = 34619192256.

The previous prime is 121167172921. The next prime is 121167172939. The reversal of 121167172938 is 839271761121.

It is not an unprimeable number, because it can be changed into a prime (121167172939) 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, 1442466303 + ... + 1442466386.

It is an arithmetic number, because the mean of its divisors is an integer number (17309596140).

Almost surely, 2^121167172938 is an apocalyptic number.

121167172938 is an abundant number, since it is smaller than the sum of its proper divisors (155786365302).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121167172938 is a wasteful number, since it uses less digits than its factorization.

121167172938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2884932701.

The product of its digits is 254016, while the sum is 48.

The spelling of 121167172938 in words is "one hundred twenty-one billion, one hundred sixty-seven million, one hundred seventy-two thousand, nine hundred thirty-eight".