121013185 has 8 divisors (see below), whose sum is σ = 152858880. Its totient is φ = 91715184.

The previous prime is 121013183. The next prime is 121013197. The reversal of 121013185 is 581310121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121013185 - 2¹ = 121013183 is a prime.

It is a super-3 number, since 3×121013185³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (121013183) by changing a digit.

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, 636817 + ... + 637006.

It is an arithmetic number, because the mean of its divisors is an integer number (19107360).

Almost surely, 2^121013185 is an apocalyptic number.

It is an amenable number.

121013185 is a deficient number, since it is larger than the sum of its proper divisors (31845695).

121013185 is a wasteful number, since it uses less digits than its factorization.

121013185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273847.

The product of its (nonzero) digits is 240, while the sum is 22.

The square root of 121013185 is about 11000.5993018562. The cubic root of 121013185 is about 494.6267090065.

The spelling of 121013185 in words is "one hundred twenty-one million, thirteen thousand, one hundred eighty-five".