1101004032 has 72 divisors (see below), whose sum is σ = 2974150816. Its totient is φ = 361506816.

The previous prime is 1101003991. The next prime is 1101004057. The reversal of 1101004032 is 2304001011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1101003999 and 1101004017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40758 + ... + 62154.

Almost surely, 2^1101004032 is an apocalyptic number.

1101004032 is a gapful number since it is divisible by the number (12) 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 1101004032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1487075408).

1101004032 is an abundant number, since it is smaller than the sum of its proper divisors (1873146784).

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

1101004032 is an equidigital number, since it uses as much as digits as its factorization.

1101004032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21483 (or 21469 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1101004032 is about 33181.3808030950. The cubic root of 1101004032 is about 1032.5940933621.

Adding to 1101004032 its reverse (2304001011), we get a palindrome (3405005043).

The spelling of 1101004032 in words is "one billion, one hundred one million, four thousand, thirty-two".