121606115 has 8 divisors (see below), whose sum is σ = 148681008. Its totient is φ = 95449120.

The previous prime is 121606109. The next prime is 121606127. The reversal of 121606115 is 511606121.

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

It is not a de Polignac number, because 121606115 - 2¹⁴ = 121589731 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229181 + ... + 229710.

It is an arithmetic number, because the mean of its divisors is an integer number (18585126).

Almost surely, 2^121606115 is an apocalyptic number.

121606115 is a deficient number, since it is larger than the sum of its proper divisors (27074893).

121606115 is an equidigital number, since it uses as much as digits as its factorization.

121606115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458949.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 121606115 is about 11027.5162661408. The cubic root of 121606115 is about 495.4332363276.

The spelling of 121606115 in words is "one hundred twenty-one million, six hundred six thousand, one hundred fifteen".