47094121 has 2 divisors, whose sum is σ = 47094122. Its totient is φ = 47094120.

The previous prime is 47094119. The next prime is 47094127. The reversal of 47094121 is 12149074.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45968400 + 1125721 = 6780^2 + 1061^2 .

It is a cyclic number.

It is not a de Polignac number, because 47094121 - 2¹ = 47094119 is a prime.

Together with 47094119, it forms a pair of twin primes.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 47094121.

It is not a weakly prime, because it can be changed into another prime (47094127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23547060 + 23547061.

It is an arithmetic number, because the mean of its divisors is an integer number (23547061).

Almost surely, 2^47094121 is an apocalyptic number.

It is an amenable number.

47094121 is a deficient number, since it is larger than the sum of its proper divisors (1).

47094121 is an equidigital number, since it uses as much as digits as its factorization.

47094121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 47094121 is about 6862.5156466124. The cubic root of 47094121 is about 361.1233454860.

The spelling of 47094121 in words is "forty-seven million, ninety-four thousand, one hundred twenty-one".