1110066961 has 2 divisors, whose sum is σ = 1110066962. Its totient is φ = 1110066960.

The previous prime is 1110066949. The next prime is 1110067043. The reversal of 1110066961 is 1696600111.

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., 943656961 + 166410000 = 30719^2 + 12900^2 .

It is an emirp because it is prime and its reverse (1696600111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1110066961 - 2⁹ = 1110066449 is a prime.

It is not a weakly prime, because it can be changed into another prime (1110066911) 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, 555033480 + 555033481.

It is an arithmetic number, because the mean of its divisors is an integer number (555033481).

Almost surely, 2^1110066961 is an apocalyptic number.

It is an amenable number.

1110066961 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110066961 is an equidigital number, since it uses as much as digits as its factorization.

1110066961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 31.

The square root of 1110066961 is about 33317.6674003448. The cubic root of 1110066961 is about 1035.4196252518.

The spelling of 1110066961 in words is "one billion, one hundred ten million, sixty-six thousand, nine hundred sixty-one".