118069261 has 2 divisors, whose sum is σ = 118069262. Its totient is φ = 118069260.

The previous prime is 118069253. The next prime is 118069309. The reversal of 118069261 is 162960811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107765161 + 10304100 = 10381^2 + 3210^2 .

It is a cyclic number.

It is not a de Polignac number, because 118069261 - 2³ = 118069253 is a prime.

It is a super-2 number, since 2×118069261² = 27880700786172242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118069361) 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, 59034630 + 59034631.

It is an arithmetic number, because the mean of its divisors is an integer number (59034631).

Almost surely, 2^118069261 is an apocalyptic number.

It is an amenable number.

118069261 is a deficient number, since it is larger than the sum of its proper divisors (1).

118069261 is an equidigital number, since it uses as much as digits as its factorization.

118069261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 118069261 is about 10865.9680194633. The cubic root of 118069261 is about 490.5827593747.

The spelling of 118069261 in words is "one hundred eighteen million, sixty-nine thousand, two hundred sixty-one".