1240048171 has 2 divisors, whose sum is σ = 1240048172. Its totient is φ = 1240048170.

The previous prime is 1240048169. The next prime is 1240048189. The reversal of 1240048171 is 1718400421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1240048171 - 2¹ = 1240048169 is a prime.

Together with 1240048169, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1240078171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620024085 + 620024086.

It is an arithmetic number, because the mean of its divisors is an integer number (620024086).

Almost surely, 2^1240048171 is an apocalyptic number.

1240048171 is a deficient number, since it is larger than the sum of its proper divisors (1).

1240048171 is an equidigital number, since it uses as much as digits as its factorization.

1240048171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 1240048171 is about 35214.3176989133. The cubic root of 1240048171 is about 1074.3509826075.

Adding to 1240048171 its reverse (1718400421), we get a palindrome (2958448592).

The spelling of 1240048171 in words is "one billion, two hundred forty million, forty-eight thousand, one hundred seventy-one".