121167172937 has 8 divisors (see below), whose sum is σ = 128415591432. Its totient is φ = 113932192000.

The previous prime is 121167172921. The next prime is 121167172939. The reversal of 121167172937 is 739271761121.

It can be written as a sum of positive squares in 4 ways, for example, as 17026074256 + 104141098681 = 130484^2 + 322709^2 .

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 121167172937 - 2⁴ = 121167172921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121167172891 and 121167172900.

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, 3340814 + ... + 3376887.

It is an arithmetic number, because the mean of its divisors is an integer number (16051948929).

Almost surely, 2^121167172937 is an apocalyptic number.

121167172937 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

121167172937 is a deficient number, since it is larger than the sum of its proper divisors (7248418495).

121167172937 is a wasteful number, since it uses less digits than its factorization.

121167172937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6718779.

The product of its digits is 222264, while the sum is 47.

The spelling of 121167172937 in words is "one hundred twenty-one billion, one hundred sixty-seven million, one hundred seventy-two thousand, nine hundred thirty-seven".