121420204 has 6 divisors (see below), whose sum is σ = 212485364. Its totient is φ = 60710100.

The previous prime is 121420181. The next prime is 121420207. The reversal of 121420204 is 402024121.

It is not an unprimeable number, because it can be changed into a prime (121420207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15177522 + ... + 15177529.

Almost surely, 2^121420204 is an apocalyptic number.

It is an amenable number.

121420204 is a deficient number, since it is larger than the sum of its proper divisors (91065160).

121420204 is a wasteful number, since it uses less digits than its factorization.

121420204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30355055 (or 30355053 counting only the distinct ones).

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

The square root of 121420204 is about 11019.0836279611. The cubic root of 121420204 is about 495.1806353635.

Adding to 121420204 its reverse (402024121), we get a palindrome (523444325).

The spelling of 121420204 in words is "one hundred twenty-one million, four hundred twenty thousand, two hundred four".