121304051 has 16 divisors (see below), whose sum is σ = 135178848. Its totient is φ = 107923200.

The previous prime is 121304021. The next prime is 121304101. The reversal of 121304051 is 150403121.

It is a de Polignac number, because none of the positive numbers 2^k-121304051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121304011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196295 + ... + 196911.

It is an arithmetic number, because the mean of its divisors is an integer number (8448678).

Almost surely, 2^121304051 is an apocalyptic number.

121304051 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

121304051 is a deficient number, since it is larger than the sum of its proper divisors (13874797).

121304051 is a wasteful number, since it uses less digits than its factorization.

121304051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 121304051 is about 11013.8118287902. The cubic root of 121304051 is about 495.0226850808.

Adding to 121304051 its reverse (150403121), we get a palindrome (271707172).

The spelling of 121304051 in words is "one hundred twenty-one million, three hundred four thousand, fifty-one".