121300097 has 4 divisors (see below), whose sum is σ = 124578516. Its totient is φ = 118021680.

The previous prime is 121300079. The next prime is 121300129. The reversal of 121300097 is 790003121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 45104656 + 76195441 = 6716^2 + 8729^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121300097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121300007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1639154 + ... + 1639227.

It is an arithmetic number, because the mean of its divisors is an integer number (31144629).

Almost surely, 2^121300097 is an apocalyptic number.

It is an amenable number.

121300097 is a deficient number, since it is larger than the sum of its proper divisors (3278419).

121300097 is an equidigital number, since it uses as much as digits as its factorization.

121300097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3278418.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 121300097 is about 11013.6323254410. The cubic root of 121300097 is about 495.0173064724.

The spelling of 121300097 in words is "one hundred twenty-one million, three hundred thousand, ninety-seven".