118290705 has 24 divisors (see below), whose sum is σ = 204948288. Its totient is φ = 58234176.

The previous prime is 118290703. The next prime is 118290719. The reversal of 118290705 is 507092811.

It is not a de Polignac number, because 118290705 - 2¹ = 118290703 is a prime.

It is a super-3 number, since 3×118290705³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (118290703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20797 + ... + 25866.

It is an arithmetic number, because the mean of its divisors is an integer number (8539512).

Almost surely, 2^118290705 is an apocalyptic number.

118290705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

118290705 is a deficient number, since it is larger than the sum of its proper divisors (86657583).

118290705 is a wasteful number, since it uses less digits than its factorization.

118290705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46697 (or 46684 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 33.

The square root of 118290705 is about 10876.1530423215. The cubic root of 118290705 is about 490.8892708827.

The spelling of 118290705 in words is "one hundred eighteen million, two hundred ninety thousand, seven hundred five".