121867271 has 8 divisors (see below), whose sum is σ = 134646624. Its totient is φ = 109711360.

The previous prime is 121867261. The next prime is 121867303. The reversal of 121867271 is 172768121.

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 121867271 - 2¹⁴ = 121850887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121867261) 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, 155450 + ... + 156231.

It is an arithmetic number, because the mean of its divisors is an integer number (16830828).

Almost surely, 2^121867271 is an apocalyptic number.

121867271 is a deficient number, since it is larger than the sum of its proper divisors (12779353).

121867271 is a wasteful number, since it uses less digits than its factorization.

121867271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311721.

The product of its digits is 9408, while the sum is 35.

The square root of 121867271 is about 11039.3510225919. The cubic root of 121867271 is about 495.7876397001.

The spelling of 121867271 in words is "one hundred twenty-one million, eight hundred sixty-seven thousand, two hundred seventy-one".