121330814 has 12 divisors (see below), whose sum is σ = 200045832. Its totient is φ = 55150260.

The previous prime is 121330813. The next prime is 121330837. The reversal of 121330814 is 418033121.

It is a self number, because there is not a number n which added to its sum of digits gives 121330814.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121330813) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 250442 + ... + 250925.

It is an arithmetic number, because the mean of its divisors is an integer number (16670486).

Almost surely, 2^121330814 is an apocalyptic number.

121330814 is a deficient number, since it is larger than the sum of its proper divisors (78715018).

121330814 is a wasteful number, since it uses less digits than its factorization.

121330814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501391 (or 501380 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 121330814 is about 11015.0267362363. The cubic root of 121330814 is about 495.0590875967.

Adding to 121330814 its reverse (418033121), we get a palindrome (539363935).

The spelling of 121330814 in words is "one hundred twenty-one million, three hundred thirty thousand, eight hundred fourteen".