121703099 has 16 divisors (see below), whose sum is σ = 140783616. Its totient is φ = 103056000.

The previous prime is 121703083. The next prime is 121703137. The reversal of 121703099 is 990307121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 121703099 - 2⁴ = 121703083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121703009) 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 15 ways as a sum of consecutive naturals, for example, 303299 + ... + 303699.

It is an arithmetic number, because the mean of its divisors is an integer number (8798976).

Almost surely, 2^121703099 is an apocalyptic number.

121703099 is a deficient number, since it is larger than the sum of its proper divisors (19080517).

121703099 is a wasteful number, since it uses less digits than its factorization.

121703099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826.

The product of its (nonzero) digits is 3402, while the sum is 32.

The square root of 121703099 is about 11031.9127534621. The cubic root of 121703099 is about 495.5649082401.

The spelling of 121703099 in words is "one hundred twenty-one million, seven hundred three thousand, ninety-nine".