121185085 has 24 divisors (see below), whose sum is σ = 169987680. Its totient is φ = 82694304.

The previous prime is 121185079. The next prime is 121185109. The reversal of 121185085 is 580581121.

It is not a de Polignac number, because 121185085 - 2⁷ = 121184957 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54526 + ... + 56704.

It is an arithmetic number, because the mean of its divisors is an integer number (7082820).

Almost surely, 2^121185085 is an apocalyptic number.

It is an amenable number.

121185085 is a deficient number, since it is larger than the sum of its proper divisors (48802595).

121185085 is a wasteful number, since it uses less digits than its factorization.

121185085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2425 (or 2418 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 31.

The square root of 121185085 is about 11008.4097398307. The cubic root of 121185085 is about 494.8608049933.

The spelling of 121185085 in words is "one hundred twenty-one million, one hundred eighty-five thousand, eighty-five".