118734661 has 2 divisors, whose sum is σ = 118734662. Its totient is φ = 118734660.

The previous prime is 118734599. The next prime is 118734677. The reversal of 118734661 is 166437811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60746436 + 57988225 = 7794^2 + 7615^2 .

It is an emirp because it is prime and its reverse (166437811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 118734661 - 2¹¹ = 118732613 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 118734661.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118734761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59367330 + 59367331.

It is an arithmetic number, because the mean of its divisors is an integer number (59367331).

Almost surely, 2^118734661 is an apocalyptic number.

It is an amenable number.

118734661 is a deficient number, since it is larger than the sum of its proper divisors (1).

118734661 is an equidigital number, since it uses as much as digits as its factorization.

118734661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 37.

The square root of 118734661 is about 10896.5435345342. The cubic root of 118734661 is about 491.5026218724.

The spelling of 118734661 in words is "one hundred eighteen million, seven hundred thirty-four thousand, six hundred sixty-one".