121186871 has 8 divisors (see below), whose sum is σ = 130603200. Its totient is φ = 111784032.

The previous prime is 121186867. The next prime is 121186907. The reversal of 121186871 is 178681121.

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 121186871 - 2² = 121186867 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121186801) 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, 22946 + ... + 27728.

It is an arithmetic number, because the mean of its divisors is an integer number (16325400).

Almost surely, 2^121186871 is an apocalyptic number.

121186871 is a deficient number, since it is larger than the sum of its proper divisors (9416329).

121186871 is a wasteful number, since it uses less digits than its factorization.

121186871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6745.

The product of its digits is 5376, while the sum is 35.

The square root of 121186871 is about 11008.4908593322. The cubic root of 121186871 is about 494.8632360324.

The spelling of 121186871 in words is "one hundred twenty-one million, one hundred eighty-six thousand, eight hundred seventy-one".