121142927 has 8 divisors (see below), whose sum is σ = 123050400. Its totient is φ = 119250144.

The previous prime is 121142873. The next prime is 121142929. The reversal of 121142927 is 729241121.

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 121142927 - 2¹⁶ = 121077391 is a prime.

It is a super-3 number, since 3×121142927³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121142927.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121142929) 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 7 ways as a sum of consecutive naturals, for example, 13574 + ... + 20652.

It is an arithmetic number, because the mean of its divisors is an integer number (15381300).

Almost surely, 2^121142927 is an apocalyptic number.

121142927 is a deficient number, since it is larger than the sum of its proper divisors (1907473).

121142927 is a wasteful number, since it uses less digits than its factorization.

121142927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7345.

The product of its digits is 2016, while the sum is 29.

The square root of 121142927 is about 11006.4947644561. The cubic root of 121142927 is about 494.8034140982.

The spelling of 121142927 in words is "one hundred twenty-one million, one hundred forty-two thousand, nine hundred twenty-seven".