121135089 has 16 divisors (see below), whose sum is σ = 177408000. Its totient is φ = 73179216.

The previous prime is 121135087. The next prime is 121135109. The reversal of 121135089 is 980531121.

It is not a de Polignac number, because 121135089 - 2¹ = 121135087 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121135087) 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, 44889 + ... + 47510.

It is an arithmetic number, because the mean of its divisors is an integer number (11088000).

Almost surely, 2^121135089 is an apocalyptic number.

121135089 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

121135089 is a deficient number, since it is larger than the sum of its proper divisors (56272911).

121135089 is a wasteful number, since it uses less digits than its factorization.

121135089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92444.

The product of its (nonzero) digits is 2160, while the sum is 30.

The square root of 121135089 is about 11006.1386962004. The cubic root of 121135089 is about 494.7927425361.

The spelling of 121135089 in words is "one hundred twenty-one million, one hundred thirty-five thousand, eighty-nine".