47268121 has 4 divisors (see below), whose sum is σ = 48421044. Its totient is φ = 46115200.

The previous prime is 47268097. The next prime is 47268127. The reversal of 47268121 is 12186274.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11806096 + 35462025 = 3436^2 + 5955^2 .

It is a cyclic number.

It is not a de Polignac number, because 47268121 - 2⁹ = 47267609 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47268127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 576400 + ... + 576481.

It is an arithmetic number, because the mean of its divisors is an integer number (12105261).

Almost surely, 2^47268121 is an apocalyptic number.

47268121 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

47268121 is a deficient number, since it is larger than the sum of its proper divisors (1152923).

47268121 is a wasteful number, since it uses less digits than its factorization.

47268121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1152922.

The product of its digits is 5376, while the sum is 31.

The square root of 47268121 is about 6875.1815248763. The cubic root of 47268121 is about 361.5675497913.

The spelling of 47268121 in words is "forty-seven million, two hundred sixty-eight thousand, one hundred twenty-one".