121164085 has 16 divisors (see below), whose sum is σ = 170660736. Its totient is φ = 80837568.

The previous prime is 121164077. The next prime is 121164091. The reversal of 121164085 is 580461121.

It is not a de Polignac number, because 121164085 - 2³ = 121164077 is a prime.

It is a super-3 number, since 3×121164085³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45487 + ... + 48076.

It is an arithmetic number, because the mean of its divisors is an integer number (10666296).

Almost surely, 2^121164085 is an apocalyptic number.

It is an amenable number.

121164085 is a deficient number, since it is larger than the sum of its proper divisors (49496651).

121164085 is an equidigital number, since it uses as much as digits as its factorization.

121164085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93612.

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 121164085 is about 11007.4558822645. The cubic root of 121164085 is about 494.8322187548.

The spelling of 121164085 in words is "one hundred twenty-one million, one hundred sixty-four thousand, eighty-five".