1101342132 has 72 divisors (see below), whose sum is σ = 3042617760. Its totient is φ = 333126720.

The previous prime is 1101342107. The next prime is 1101342149. The reversal of 1101342132 is 2312431011.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 242878 + ... + 247370.

It is an arithmetic number, because the mean of its divisors is an integer number (42258580).

Almost surely, 2^1101342132 is an apocalyptic number.

1101342132 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 1101342132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1521308880).

1101342132 is an abundant number, since it is smaller than the sum of its proper divisors (1941275628).

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

1101342132 is a wasteful number, since it uses less digits than its factorization.

1101342132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5133 (or 5128 counting only the distinct ones).

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

The square root of 1101342132 is about 33186.4751367180. The cubic root of 1101342132 is about 1032.6997800271.

Adding to 1101342132 its reverse (2312431011), we get a palindrome (3413773143).

The spelling of 1101342132 in words is "one billion, one hundred one million, three hundred forty-two thousand, one hundred thirty-two".