1016641121 has 2 divisors, whose sum is σ = 1016641122. Its totient is φ = 1016641120.

The previous prime is 1016641079. The next prime is 1016641163. The reversal of 1016641121 is 1211466101.

It is a happy number.

1016641121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (1016641079) and next prime (1016641163).

It can be written as a sum of positive squares in only one way, i.e., 923248225 + 93392896 = 30385^2 + 9664^2 .

It is a cyclic number.

It is not a de Polignac number, because 1016641121 - 2¹⁸ = 1016378977 is a prime.

It is not a weakly prime, because it can be changed into another prime (1016641321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 508320560 + 508320561.

It is an arithmetic number, because the mean of its divisors is an integer number (508320561).

Almost surely, 2^1016641121 is an apocalyptic number.

It is an amenable number.

1016641121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1016641121 is an equidigital number, since it uses as much as digits as its factorization.

1016641121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 1016641121 is about 31884.8101923157. The cubic root of 1016641121 is about 1005.5165520265.

The spelling of 1016641121 in words is "one billion, sixteen million, six hundred forty-one thousand, one hundred twenty-one".