49711121 has 2 divisors, whose sum is σ = 49711122. Its totient is φ = 49711120.

The previous prime is 49711097. The next prime is 49711127. The reversal of 49711121 is 12111794.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45711121 + 4000000 = 6761^2 + 2000^2 .

It is a cyclic number.

It is not a de Polignac number, because 49711121 - 2¹⁸ = 49448977 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (49711127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24855560 + 24855561.

It is an arithmetic number, because the mean of its divisors is an integer number (24855561).

Almost surely, 2^49711121 is an apocalyptic number.

It is an amenable number.

49711121 is a deficient number, since it is larger than the sum of its proper divisors (1).

49711121 is an equidigital number, since it uses as much as digits as its factorization.

49711121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 504, while the sum is 26.

The square root of 49711121 is about 7050.6113919291. The cubic root of 49711121 is about 367.6922861871.

The spelling of 49711121 in words is "forty-nine million, seven hundred eleven thousand, one hundred twenty-one".