118252039 has 4 divisors (see below), whose sum is σ = 123393456. Its totient is φ = 113110624.

The previous prime is 118252033. The next prime is 118252097. The reversal of 118252039 is 930252811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 930252811 = 47 ⋅19792613.

It is a cyclic number.

It is not a de Polignac number, because 118252039 - 2³ = 118252031 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 118252039.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118252031) 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 in 3 ways as a sum of consecutive naturals, for example, 2570674 + ... + 2570719.

It is an arithmetic number, because the mean of its divisors is an integer number (30848364).

Almost surely, 2^118252039 is an apocalyptic number.

118252039 is a deficient number, since it is larger than the sum of its proper divisors (5141417).

118252039 is an equidigital number, since it uses as much as digits as its factorization.

118252039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5141416.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 118252039 is about 10874.3753383815. The cubic root of 118252039 is about 490.8357789564.

The spelling of 118252039 in words is "one hundred eighteen million, two hundred fifty-two thousand, thirty-nine".