118771872 has 24 divisors (see below), whose sum is σ = 311776416. Its totient is φ = 39590592.

The previous prime is 118771871. The next prime is 118771901. The reversal of 118771872 is 278177811.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (118771871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 618508 + ... + 618699.

It is an arithmetic number, because the mean of its divisors is an integer number (12990684).

Almost surely, 2^118771872 is an apocalyptic number.

118771872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

118771872 is an abundant number, since it is smaller than the sum of its proper divisors (193004544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

118771872 is a wasteful number, since it uses less digits than its factorization.

118771872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1237220 (or 1237212 counting only the distinct ones).

The product of its digits is 43904, while the sum is 42.

The square root of 118771872 is about 10898.2508688321. The cubic root of 118771872 is about 491.5539615392.

The spelling of 118771872 in words is "one hundred eighteen million, seven hundred seventy-one thousand, eight hundred seventy-two".