48181121 has 2 divisors, whose sum is σ = 48181122. Its totient is φ = 48181120.

The previous prime is 48181117. The next prime is 48181127. The reversal of 48181121 is 12118184.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33466225 + 14714896 = 5785^2 + 3836^2 .

It is a cyclic number.

It is not a de Polignac number, because 48181121 - 2² = 48181117 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (48181127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24090560 + 24090561.

It is an arithmetic number, because the mean of its divisors is an integer number (24090561).

Almost surely, 2^48181121 is an apocalyptic number.

It is an amenable number.

48181121 is a deficient number, since it is larger than the sum of its proper divisors (1).

48181121 is an equidigital number, since it uses as much as digits as its factorization.

48181121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 512, while the sum is 26.

The square root of 48181121 is about 6941.2622051036. The cubic root of 48181121 is about 363.8806541276.

The spelling of 48181121 in words is "forty-eight million, one hundred eighty-one thousand, one hundred twenty-one".