1103212032 has 80 divisors (see below), whose sum is σ = 3165162000. Its totient is φ = 339443712.

The previous prime is 1103212001. The next prime is 1103212063. The reversal of 1103212032 is 2302123011.

It is an interprime number because it is at equal distance from previous prime (1103212001) and next prime (1103212063).

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, 7657 + ... + 47592.

It is an arithmetic number, because the mean of its divisors is an integer number (39564525).

Almost surely, 2^1103212032 is an apocalyptic number.

1103212032 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 1103212032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1582581000).

1103212032 is an abundant number, since it is smaller than the sum of its proper divisors (2061949968).

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

1103212032 is an equidigital number, since it uses as much as digits as its factorization.

1103212032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55283 (or 55267 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1103212032 is about 33214.6358101365. The cubic root of 1103212032 is about 1033.2839017168.

Adding to 1103212032 its reverse (2302123011), we get a palindrome (3405335043).

The spelling of 1103212032 in words is "one billion, one hundred three million, two hundred twelve thousand, thirty-two".