1103421984 has 72 divisors (see below), whose sum is σ = 3369392208. Its totient is φ = 315262080.

The previous prime is 1103421973. The next prime is 1103421989. The reversal of 1103421984 is 4891243011.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1103421989) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112582 + ... + 121989.

It is an arithmetic number, because the mean of its divisors is an integer number (46797114).

Almost surely, 2^1103421984 is an apocalyptic number.

1103421984 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1103421984 is an abundant number, since it is smaller than the sum of its proper divisors (2265970224).

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

1103421984 is a wasteful number, since it uses less digits than its factorization.

1103421984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234598 (or 234583 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 1103421984 is about 33217.7961942089. The cubic root of 1103421984 is about 1033.3494455575.

Adding to 1103421984 its reverse (4891243011), we get a palindrome (5994664995).

The spelling of 1103421984 in words is "one billion, one hundred three million, four hundred twenty-one thousand, nine hundred eighty-four".