1102198720 has 56 divisors (see below), whose sum is σ = 2999561184. Its totient is φ = 377895936.

The previous prime is 1102198703. The next prime is 1102198733. The reversal of 1102198720 is 278912011.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243787 + ... + 248266.

Almost surely, 2^1102198720 is an apocalyptic number.

1102198720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1102198720 is an abundant number, since it is smaller than the sum of its proper divisors (1897362464).

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

1102198720 is an equidigital number, since it uses as much as digits as its factorization.

1102198720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492077 (or 492067 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 31.

The square root of 1102198720 is about 33199.3783074322. The cubic root of 1102198720 is about 1032.9674440512.

The spelling of 1102198720 in words is "one billion, one hundred two million, one hundred ninety-eight thousand, seven hundred twenty".