121434004 has 6 divisors (see below), whose sum is σ = 212509514. Its totient is φ = 60717000.

The previous prime is 121433989. The next prime is 121434007. The reversal of 121434004 is 400434121.

It can be written as a sum of positive squares in only one way, i.e., 79210000 + 42224004 = 8900^2 + 6498^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121434007) 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, 15179247 + ... + 15179254.

Almost surely, 2^121434004 is an apocalyptic number.

It is an amenable number.

121434004 is a deficient number, since it is larger than the sum of its proper divisors (91075510).

121434004 is a wasteful number, since it uses less digits than its factorization.

121434004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30358505 (or 30358503 counting only the distinct ones).

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

The square root of 121434004 is about 11019.7097965418. The cubic root of 121434004 is about 495.1993945532.

Adding to 121434004 its reverse (400434121), we get a palindrome (521868125).

The spelling of 121434004 in words is "one hundred twenty-one million, four hundred thirty-four thousand, four".