121404022 has 8 divisors (see below), whose sum is σ = 182329776. Its totient is φ = 60627432.

The previous prime is 121404013. The next prime is 121404043. The reversal of 121404022 is 220404121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 121403987 and 121404005.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 35233 + ... + 38524.

It is an arithmetic number, because the mean of its divisors is an integer number (22791222).

Almost surely, 2^121404022 is an apocalyptic number.

121404022 is a deficient number, since it is larger than the sum of its proper divisors (60925754).

121404022 is an equidigital number, since it uses as much as digits as its factorization.

121404022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74582.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 121404022 is about 11018.3493319099. The cubic root of 121404022 is about 495.1586363640.

Adding to 121404022 its reverse (220404121), we get a palindrome (341808143).

Subtracting 121404022 from its reverse (220404121), we obtain a palindrome (99000099).

The spelling of 121404022 in words is "one hundred twenty-one million, four hundred four thousand, twenty-two".