121342004 has 24 divisors (see below), whose sum is σ = 242984448. Its totient is φ = 51939360.

The previous prime is 121341991. The next prime is 121342007. The reversal of 121342004 is 400243121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121342007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25562 + ... + 29934.

It is an arithmetic number, because the mean of its divisors is an integer number (10124352).

Almost surely, 2^121342004 is an apocalyptic number.

121342004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

121342004 is an abundant number, since it is smaller than the sum of its proper divisors (121642444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121342004 is a wasteful number, since it uses less digits than its factorization.

121342004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5375 (or 5373 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 121342004 is about 11015.5346670055. The cubic root of 121342004 is about 495.0743064316.

Adding to 121342004 its reverse (400243121), we get a palindrome (521585125).

The spelling of 121342004 in words is "one hundred twenty-one million, three hundred forty-two thousand, four".