121159249 has 8 divisors (see below), whose sum is σ = 123192608. Its totient is φ = 119132640.

The previous prime is 121159243. The next prime is 121159307. The reversal of 121159249 is 942951121.

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 121159249 - 2⁵ = 121159217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121159243) 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, 44989 + ... + 47605.

It is an arithmetic number, because the mean of its divisors is an integer number (15399076).

Almost surely, 2^121159249 is an apocalyptic number.

It is an amenable number.

121159249 is a deficient number, since it is larger than the sum of its proper divisors (2033359).

121159249 is an equidigital number, since it uses as much as digits as its factorization.

121159249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3375.

The product of its digits is 6480, while the sum is 34.

The square root of 121159249 is about 11007.2362107842. The cubic root of 121159249 is about 494.8256352845.

The spelling of 121159249 in words is "one hundred twenty-one million, one hundred fifty-nine thousand, two hundred forty-nine".