118010261 has 2 divisors, whose sum is σ = 118010262. Its totient is φ = 118010260.

The previous prime is 118010257. The next prime is 118010281. The reversal of 118010261 is 162010811.

It is an a-pointer prime, because the next prime (118010281) can be obtained adding 118010261 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86583025 + 31427236 = 9305^2 + 5606^2 .

It is a cyclic number.

It is not a de Polignac number, because 118010261 - 2² = 118010257 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118010201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59005130 + 59005131.

It is an arithmetic number, because the mean of its divisors is an integer number (59005131).

Almost surely, 2^118010261 is an apocalyptic number.

It is an amenable number.

118010261 is a deficient number, since it is larger than the sum of its proper divisors (1).

118010261 is an equidigital number, since it uses as much as digits as its factorization.

118010261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 20.

The square root of 118010261 is about 10863.2527817408. The cubic root of 118010261 is about 490.5010299301.

The spelling of 118010261 in words is "one hundred eighteen million, ten thousand, two hundred sixty-one".