1101604032 has 42 divisors (see below), whose sum is σ = 3157550708. Its totient is φ = 367201152.

The previous prime is 1101603973. The next prime is 1101604033. The reversal of 1101604032 is 2304061011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1101603996 and 1101604014.

It is not an unprimeable number, because it can be changed into a prime (1101604033) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 955678 + ... + 956829.

Almost surely, 2^1101604032 is an apocalyptic number.

1101604032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1101604032 is an abundant number, since it is smaller than the sum of its proper divisors (2055946676).

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

1101604032 is a wasteful number, since it uses less digits than its factorization.

1101604032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1912525 (or 1912512 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1101604032 is about 33190.4207867270. The cubic root of 1101604032 is about 1032.7816324713.

Adding to 1101604032 its reverse (2304061011), we get a palindrome (3405665043).

The spelling of 1101604032 in words is "one billion, one hundred one million, six hundred four thousand, thirty-two".