121114028 has 24 divisors (see below), whose sum is σ = 244003872. Its totient is φ = 51525504.

The previous prime is 121114009. The next prime is 121114043. The reversal of 121114028 is 820411121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11951 + ... + 19622.

It is an arithmetic number, because the mean of its divisors is an integer number (10166828).

Almost surely, 2^121114028 is an apocalyptic number.

It is an amenable number.

121114028 is an abundant number, since it is smaller than the sum of its proper divisors (122889844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121114028 is a wasteful number, since it uses less digits than its factorization.

121114028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31721 (or 31719 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

The square root of 121114028 is about 11005.1818703736. The cubic root of 121114028 is about 494.7640653680.

Adding to 121114028 its reverse (820411121), we get a palindrome (941525149).

The spelling of 121114028 in words is "one hundred twenty-one million, one hundred fourteen thousand, twenty-eight".