121108897 has 8 divisors (see below), whose sum is σ = 149057216. Its totient is φ = 95822352.

The previous prime is 121108891. The next prime is 121108903. The reversal of 121108897 is 798801121.

It is an interprime number because it is at equal distance from previous prime (121108891) and next prime (121108903).

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 121108897 - 2¹⁵ = 121076129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121108891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 665343 + ... + 665524.

It is an arithmetic number, because the mean of its divisors is an integer number (18632152).

Almost surely, 2^121108897 is an apocalyptic number.

It is an amenable number.

121108897 is a deficient number, since it is larger than the sum of its proper divisors (27948319).

121108897 is a wasteful number, since it uses less digits than its factorization.

121108897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330887.

The product of its (nonzero) digits is 8064, while the sum is 37.

The square root of 121108897 is about 11004.9487504486. The cubic root of 121108897 is about 494.7570783704.

The spelling of 121108897 in words is "one hundred twenty-one million, one hundred eight thousand, eight hundred ninety-seven".