1101301320 has 128 divisors (see below), whose sum is σ = 3837968640. Its totient is φ = 247587840.

The previous prime is 1101301297. The next prime is 1101301367. The reversal of 1101301320 is 231031011.

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 = 1101301296 and 1101301305.

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, 40494 + ... + 61986.

It is an arithmetic number, because the mean of its divisors is an integer number (29984130).

Almost surely, 2^1101301320 is an apocalyptic number.

1101301320 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 1101301320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1918984320).

1101301320 is an abundant number, since it is smaller than the sum of its proper divisors (2736667320).

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

1101301320 is a wasteful number, since it uses less digits than its factorization.

1101301320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21575 (or 21571 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1101301320 is about 33185.8602419766. The cubic root of 1101301320 is about 1032.6870237537.

Adding to 1101301320 its reverse (231031011), we get a palindrome (1332332331).

The spelling of 1101301320 in words is "one billion, one hundred one million, three hundred one thousand, three hundred twenty".