121298101 has 8 divisors (see below), whose sum is σ = 123094400. Its totient is φ = 119508480.

The previous prime is 121298087. The next prime is 121298161. The reversal of 121298101 is 101892121.

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 121298101 - 2¹⁹ = 120773813 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a pancake number, because a pancake can be divided into 121298101 parts by 15575 straight cuts.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121298161) 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, 43765 + ... + 46453.

It is an arithmetic number, because the mean of its divisors is an integer number (15386800).

Almost surely, 2^121298101 is an apocalyptic number.

It is an amenable number.

121298101 is a deficient number, since it is larger than the sum of its proper divisors (1796299).

121298101 is an equidigital number, since it uses as much as digits as its factorization.

121298101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3339.

The product of its (nonzero) digits is 288, while the sum is 25.

The square root of 121298101 is about 11013.5417100949. The cubic root of 121298101 is about 495.0145912782.

The spelling of 121298101 in words is "one hundred twenty-one million, two hundred ninety-eight thousand, one hundred one".