1102665984 has 144 divisors (see below), whose sum is σ = 3368773632. Its totient is φ = 313657344.

The previous prime is 1102665983. The next prime is 1102665989. The reversal of 1102665984 is 4895662011.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (1102665983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2381337 + ... + 2381799.

Almost surely, 2^1102665984 is an apocalyptic number.

1102665984 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1102665984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1684386816).

1102665984 is an abundant number, since it is smaller than the sum of its proper divisors (2266107648).

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

1102665984 is an equidigital number, since it uses as much as digits as its factorization.

1102665984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932 (or 918 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 1102665984 is about 33206.4148019626. The cubic root of 1102665984 is about 1033.1133948372.

The spelling of 1102665984 in words is "one billion, one hundred two million, six hundred sixty-five thousand, nine hundred eighty-four".