121208073 has 16 divisors (see below), whose sum is σ = 185942400. Its totient is φ = 68795136.

The previous prime is 121208069. The next prime is 121208077. The reversal of 121208073 is 370802121.

It is an interprime number because it is at equal distance from previous prime (121208069) and next prime (121208077).

It is not a de Polignac number, because 121208073 - 2² = 121208069 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121208077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16240 + ... + 22497.

It is an arithmetic number, because the mean of its divisors is an integer number (11621400).

Almost surely, 2^121208073 is an apocalyptic number.

It is an amenable number.

121208073 is a deficient number, since it is larger than the sum of its proper divisors (64734327).

121208073 is a wasteful number, since it uses less digits than its factorization.

121208073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38896.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 121208073 is about 11009.4538011656. The cubic root of 121208073 is about 494.8920936098.

The spelling of 121208073 in words is "one hundred twenty-one million, two hundred eight thousand, seventy-three".