47956121 has 16 divisors (see below), whose sum is σ = 50539776. Its totient is φ = 45467136.

The previous prime is 47956003. The next prime is 47956123. The reversal of 47956121 is 12165974.

47956121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 47956121 - 2¹⁰ = 47955097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47956123) 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, 305375 + ... + 305531.

It is an arithmetic number, because the mean of its divisors is an integer number (3158736).

Almost surely, 2^47956121 is an apocalyptic number.

It is an amenable number.

47956121 is a deficient number, since it is larger than the sum of its proper divisors (2583655).

47956121 is a wasteful number, since it uses less digits than its factorization.

47956121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368.

The product of its digits is 15120, while the sum is 35.

The square root of 47956121 is about 6925.0358121818. The cubic root of 47956121 is about 363.3133439236.

The spelling of 47956121 in words is "forty-seven million, nine hundred fifty-six thousand, one hundred twenty-one".