1100249112 has 64 divisors (see below), whose sum is σ = 3065731200. Its totient is φ = 327006720.

The previous prime is 1100249107. The next prime is 1100249113. The reversal of 1100249112 is 2119420011.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100249113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63214 + ... + 78717.

It is an arithmetic number, because the mean of its divisors is an integer number (47902050).

Almost surely, 2^1100249112 is an apocalyptic number.

1100249112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1100249112 is an abundant number, since it is smaller than the sum of its proper divisors (1965482088).

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

1100249112 is a wasteful number, since it uses less digits than its factorization.

1100249112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141976 (or 141972 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 1100249112 is about 33170.0031956586. The cubic root of 1100249112 is about 1032.3580348365.

Adding to 1100249112 its reverse (2119420011), we get a palindrome (3219669123).

The spelling of 1100249112 in words is "one billion, one hundred million, two hundred forty-nine thousand, one hundred twelve".