1180100208 has 80 divisors (see below), whose sum is σ = 3488348160. Its totient is φ = 336761088.

The previous prime is 1180100177. The next prime is 1180100209. The reversal of 1180100208 is 8020010811.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1180100209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 371041 + ... + 374207.

It is an arithmetic number, because the mean of its divisors is an integer number (43604352).

Almost surely, 2^1180100208 is an apocalyptic number.

It is an amenable number.

1180100208 is an abundant number, since it is smaller than the sum of its proper divisors (2308247952).

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

1180100208 is a wasteful number, since it uses less digits than its factorization.

1180100208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4294 (or 4288 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 21.

The square root of 1180100208 is about 34352.5866275016. The cubic root of 1180100208 is about 1056.7517174003.

The spelling of 1180100208 in words is "one billion, one hundred eighty million, one hundred thousand, two hundred eight".