121459161 has 8 divisors (see below), whose sum is σ = 162277344. Its totient is φ = 80806880.

The previous prime is 121459109. The next prime is 121459187. The reversal of 121459161 is 161954121.

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 121459161 - 2¹⁹ = 120934873 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121459661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39756 + ... + 42701.

It is an arithmetic number, because the mean of its divisors is an integer number (20284668).

Almost surely, 2^121459161 is an apocalyptic number.

It is an amenable number.

121459161 is a deficient number, since it is larger than the sum of its proper divisors (40818183).

121459161 is an equidigital number, since it uses as much as digits as its factorization.

121459161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82951.

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

The square root of 121459161 is about 11020.8511921720. The cubic root of 121459161 is about 495.2335883555.

The spelling of 121459161 in words is "one hundred twenty-one million, four hundred fifty-nine thousand, one hundred sixty-one".