121143027 has 8 divisors (see below), whose sum is σ = 161763264. Its totient is φ = 80642408.

The previous prime is 121143007. The next prime is 121143049. The reversal of 121143027 is 720341121.

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 121143027 - 2¹⁵ = 121110259 is a prime.

It is a super-3 number, since 3×121143027³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121142994 and 121143012.

It is not an unprimeable number, because it can be changed into a prime (121143007) 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, 27513 + ... + 31610.

It is an arithmetic number, because the mean of its divisors is an integer number (20220408).

Almost surely, 2^121143027 is an apocalyptic number.

121143027 is a deficient number, since it is larger than the sum of its proper divisors (40620237).

121143027 is an equidigital number, since it uses as much as digits as its factorization.

121143027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59809.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 121143027 is about 11006.4993072275. The cubic root of 121143027 is about 494.8035502469.

Adding to 121143027 its reverse (720341121), we get a palindrome (841484148).

The spelling of 121143027 in words is "one hundred twenty-one million, one hundred forty-three thousand, twenty-seven".