118003720 has 16 divisors (see below), whose sum is σ = 265508460. Its totient is φ = 47201472.

The previous prime is 118003709. The next prime is 118003729. The reversal of 118003720 is 27300811.

It can be written as a sum of positive squares in 2 ways, for example, as 116510436 + 1493284 = 10794^2 + 1222^2 .

It is a junction number, because it is equal to n+sod(n) for n = 118003691 and 118003700.

It is not an unprimeable number, because it can be changed into a prime (118003729) 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, 1475007 + ... + 1475086.

Almost surely, 2^118003720 is an apocalyptic number.

118003720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118003720 is an abundant number, since it is smaller than the sum of its proper divisors (147504740).

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

118003720 is a wasteful number, since it uses less digits than its factorization.

118003720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2950104 (or 2950100 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 118003720 is about 10862.9517167297. The cubic root of 118003720 is about 490.4919673664.

The spelling of 118003720 in words is "one hundred eighteen million, three thousand, seven hundred twenty".