121163671 has 16 divisors (see below), whose sum is σ = 126684000. Its totient is φ = 115809408.

The previous prime is 121163633. The next prime is 121163683. The reversal of 121163671 is 176361121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121163671 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121163611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 528985 + ... + 529213.

It is an arithmetic number, because the mean of its divisors is an integer number (7917750).

Almost surely, 2^121163671 is an apocalyptic number.

121163671 is a deficient number, since it is larger than the sum of its proper divisors (5520329).

121163671 is a wasteful number, since it uses less digits than its factorization.

121163671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498.

The product of its digits is 1512, while the sum is 28.

The square root of 121163671 is about 11007.4370768131. The cubic root of 121163671 is about 494.8316551643.

The spelling of 121163671 in words is "one hundred twenty-one million, one hundred sixty-three thousand, six hundred seventy-one".