121297214 has 4 divisors (see below), whose sum is σ = 181945824. Its totient is φ = 60648606.

The previous prime is 121297213. The next prime is 121297247. The reversal of 121297214 is 412792121.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121297213) 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 as a sum of consecutive naturals, namely, 30324302 + ... + 30324305.

It is an arithmetic number, because the mean of its divisors is an integer number (45486456).

Almost surely, 2^121297214 is an apocalyptic number.

121297214 is a deficient number, since it is larger than the sum of its proper divisors (60648610).

121297214 is an equidigital number, since it uses as much as digits as its factorization.

121297214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60648609.

The product of its digits is 2016, while the sum is 29.

The square root of 121297214 is about 11013.5014414127. The cubic root of 121297214 is about 495.0133846668.

The spelling of 121297214 in words is "one hundred twenty-one million, two hundred ninety-seven thousand, two hundred fourteen".