121404214 has 4 divisors (see below), whose sum is σ = 182106324. Its totient is φ = 60702106.

The previous prime is 121404211. The next prime is 121404221. The reversal of 121404214 is 412404121.

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

It is a junction number, because it is equal to n+sod(n) for n = 121404191 and 121404200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121404211) 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, 30351052 + ... + 30351055.

It is an arithmetic number, because the mean of its divisors is an integer number (45526581).

Almost surely, 2^121404214 is an apocalyptic number.

121404214 is a deficient number, since it is larger than the sum of its proper divisors (60702110).

121404214 is an equidigital number, since it uses as much as digits as its factorization.

121404214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60702109.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 121404214 is about 11018.3580446453. The cubic root of 121404214 is about 495.1588973943.

Adding to 121404214 its reverse (412404121), we get a palindrome (533808335).

The spelling of 121404214 in words is "one hundred twenty-one million, four hundred four thousand, two hundred fourteen".