118284961 has 2 divisors, whose sum is σ = 118284962. Its totient is φ = 118284960.

The previous prime is 118284953. The next prime is 118284973. The reversal of 118284961 is 169482811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66732561 + 51552400 = 8169^2 + 7180^2 .

It is a cyclic number.

It is not a de Polignac number, because 118284961 - 2³ = 118284953 is a prime.

It is not a weakly prime, because it can be changed into another prime (118284161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59142480 + 59142481.

It is an arithmetic number, because the mean of its divisors is an integer number (59142481).

Almost surely, 2^118284961 is an apocalyptic number.

It is an amenable number.

118284961 is a deficient number, since it is larger than the sum of its proper divisors (1).

118284961 is an equidigital number, since it uses as much as digits as its factorization.

118284961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 40.

The square root of 118284961 is about 10875.8889751597. Note that the first 3 decimals coincide. The cubic root of 118284961 is about 490.8813251651.

The spelling of 118284961 in words is "one hundred eighteen million, two hundred eighty-four thousand, nine hundred sixty-one".