118972787 has 8 divisors (see below), whose sum is σ = 121897776. Its totient is φ = 116055072.

The previous prime is 118972769. The next prime is 118972793. The reversal of 118972787 is 787279811.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 118972787 - 2¹² = 118968691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (118972187) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46793 + ... + 49269.

It is an arithmetic number, because the mean of its divisors is an integer number (15237222).

Almost surely, 2^118972787 is an apocalyptic number.

118972787 is a deficient number, since it is larger than the sum of its proper divisors (2924989).

118972787 is a wasteful number, since it uses less digits than its factorization.

118972787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3637.

The product of its digits is 395136, while the sum is 50.

The square root of 118972787 is about 10907.4647375089. The cubic root of 118972787 is about 491.8309769831.

It can be divided in two parts, 11 and 8972787, that added together give a palindrome (8972798).

The spelling of 118972787 in words is "one hundred eighteen million, nine hundred seventy-two thousand, seven hundred eighty-seven".