47973121 has 8 divisors (see below), whose sum is σ = 54892224. Its totient is φ = 41070480.

The previous prime is 47973113. The next prime is 47973131. The reversal of 47973121 is 12137974.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47973121 - 2³ = 47973113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47973131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2946 + ... + 10228.

It is an arithmetic number, because the mean of its divisors is an integer number (6861528).

Almost surely, 2^47973121 is an apocalyptic number.

It is an amenable number.

47973121 is a deficient number, since it is larger than the sum of its proper divisors (6919103).

47973121 is an equidigital number, since it uses as much as digits as its factorization.

47973121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8231.

The product of its digits is 10584, while the sum is 34.

The square root of 47973121 is about 6926.2631338984. The cubic root of 47973121 is about 363.3562692551.

The spelling of 47973121 in words is "forty-seven million, nine hundred seventy-three thousand, one hundred twenty-one".