47611121 has 2 divisors, whose sum is σ = 47611122. Its totient is φ = 47611120.

The previous prime is 47611103. The next prime is 47611183. The reversal of 47611121 is 12111674.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41460721 + 6150400 = 6439^2 + 2480^2 .

It is a cyclic number.

It is not a de Polignac number, because 47611121 - 2¹⁴ = 47594737 is a prime.

It is not a weakly prime, because it can be changed into another prime (47611021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23805560 + 23805561.

It is an arithmetic number, because the mean of its divisors is an integer number (23805561).

Almost surely, 2^47611121 is an apocalyptic number.

It is an amenable number.

47611121 is a deficient number, since it is larger than the sum of its proper divisors (1).

47611121 is an equidigital number, since it uses as much as digits as its factorization.

47611121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 336, while the sum is 23.

The square root of 47611121 is about 6900.0812314059. The cubic root of 47611121 is about 362.4400116350.

Adding to 47611121 its reverse (12111674), we get a palindrome (59722795).

The spelling of 47611121 in words is "forty-seven million, six hundred eleven thousand, one hundred twenty-one".