121281171 has 8 divisors (see below), whose sum is σ = 176409024. Its totient is φ = 73503720.

The previous prime is 121281169. The next prime is 121281187. The reversal of 121281171 is 171182121.

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

It is not a de Polignac number, because 121281171 - 2¹ = 121281169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121281151) 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, 1837561 + ... + 1837626.

It is an arithmetic number, because the mean of its divisors is an integer number (22051128).

Almost surely, 2^121281171 is an apocalyptic number.

121281171 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

121281171 is a deficient number, since it is larger than the sum of its proper divisors (55127853).

121281171 is a wasteful number, since it uses less digits than its factorization.

121281171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3675201.

The product of its digits is 224, while the sum is 24.

The square root of 121281171 is about 11012.7730840148. The cubic root of 121281171 is about 494.9915599010.

The spelling of 121281171 in words is "one hundred twenty-one million, two hundred eighty-one thousand, one hundred seventy-one".