1101040320 has 56 divisors (see below), whose sum is σ = 3495806064. Its totient is φ = 293610496.

The previous prime is 1101040313. The next prime is 1101040321. The reversal of 1101040320 is 230401011.

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 = 1101040296 and 1101040305.

It is not an unprimeable number, because it can be changed into a prime (1101040321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 572499 + ... + 574418.

Almost surely, 2^1101040320 is an apocalyptic number.

1101040320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101040320 is an abundant number, since it is smaller than the sum of its proper divisors (2394765744).

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

1101040320 is a wasteful number, since it uses less digits than its factorization.

1101040320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146937 (or 1146927 counting only the distinct ones).

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

The square root of 1101040320 is about 33181.9276112766. The cubic root of 1101040320 is about 1032.6054376629.

Adding to 1101040320 its reverse (230401011), we get a palindrome (1331441331).

The spelling of 1101040320 in words is "one billion, one hundred one million, forty thousand, three hundred twenty".