121434202 has 4 divisors (see below), whose sum is σ = 182151306. Its totient is φ = 60717100.

The previous prime is 121434191. The next prime is 121434221. The reversal of 121434202 is 202434121.

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

It can be written as a sum of positive squares in only one way, i.e., 92371321 + 29062881 = 9611^2 + 5391^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 121434202.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30358549 + ... + 30358552.

Almost surely, 2^121434202 is an apocalyptic number.

121434202 is a deficient number, since it is larger than the sum of its proper divisors (60717104).

121434202 is an equidigital number, since it uses as much as digits as its factorization.

121434202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60717103.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 121434202 is about 11019.7187804408. The cubic root of 121434202 is about 495.1996636964.

Adding to 121434202 its reverse (202434121), we get a palindrome (323868323).

The spelling of 121434202 in words is "one hundred twenty-one million, four hundred thirty-four thousand, two hundred two".