121117585 has 16 divisors (see below), whose sum is σ = 148288896. Its totient is φ = 94946688.

The previous prime is 121117573. The next prime is 121117603. The reversal of 121117585 is 585711121.

It is a cyclic number.

It is not a de Polignac number, because 121117585 - 2¹³ = 121109393 is a prime.

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 59962 + ... + 61948.

It is an arithmetic number, because the mean of its divisors is an integer number (9268056).

Almost surely, 2^121117585 is an apocalyptic number.

It is an amenable number.

121117585 is a deficient number, since it is larger than the sum of its proper divisors (27171311).

121117585 is a wasteful number, since it uses less digits than its factorization.

121117585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2232.

The product of its digits is 2800, while the sum is 31.

The square root of 121117585 is about 11005.3434748762. The cubic root of 121117585 is about 494.7689088987.

The spelling of 121117585 in words is "one hundred twenty-one million, one hundred seventeen thousand, five hundred eighty-five".