121011027 has 16 divisors (see below), whose sum is σ = 168618240. Its totient is φ = 77049632.

The previous prime is 121011017. The next prime is 121011043. The reversal of 121011027 is 720110121.

It is not a de Polignac number, because 121011027 - 2⁶ = 121010963 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121010997 and 121011015.

It is not an unprimeable number, because it can be changed into a prime (121011017) 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 15 ways as a sum of consecutive naturals, for example, 84088 + ... + 85514.

It is an arithmetic number, because the mean of its divisors is an integer number (10538640).

Almost surely, 2^121011027 is an apocalyptic number.

121011027 is a deficient number, since it is larger than the sum of its proper divisors (47607213).

121011027 is a wasteful number, since it uses less digits than its factorization.

121011027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2682.

The product of its (nonzero) digits is 28, while the sum is 15.

The square root of 121011027 is about 11000.5012158538. The cubic root of 121011027 is about 494.6237688013.

Adding to 121011027 its reverse (720110121), we get a palindrome (841121148).

The spelling of 121011027 in words is "one hundred twenty-one million, eleven thousand, twenty-seven".