1101134320 has 160 divisors (see below), whose sum is σ = 3040680384. Its totient is φ = 365568000.

The previous prime is 1101134317. The next prime is 1101134339. The reversal of 1101134320 is 234311011.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 1101134294 and 1101134303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1154964 + ... + 1155916.

Almost surely, 2^1101134320 is an apocalyptic number.

1101134320 is a gapful number since it is divisible by the number (10) 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 1101134320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1520340192).

1101134320 is an abundant number, since it is smaller than the sum of its proper divisors (1939546064).

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

1101134320 is a wasteful number, since it uses less digits than its factorization.

1101134320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091 (or 1085 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1101134320 is about 33183.3440147312. The cubic root of 1101134320 is about 1032.6348226446.

Adding to 1101134320 its reverse (234311011), we get a palindrome (1335445331).

The spelling of 1101134320 in words is "one billion, one hundred one million, one hundred thirty-four thousand, three hundred twenty".