1100981472 has 96 divisors (see below), whose sum is σ = 3142958112. Its totient is φ = 336052224.

The previous prime is 1100981459. The next prime is 1100981473. The reversal of 1100981472 is 2741890011.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100981473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51268 + ... + 69500.

It is an arithmetic number, because the mean of its divisors is an integer number (32739147).

Almost surely, 2^1100981472 is an apocalyptic number.

1100981472 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 1100981472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1571479056).

1100981472 is an abundant number, since it is smaller than the sum of its proper divisors (2041976640).

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

1100981472 is a wasteful number, since it uses less digits than its factorization.

1100981472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18300 (or 18292 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 33.

The square root of 1100981472 is about 33181.0408516671. The cubic root of 1100981472 is about 1032.5870405627.

The spelling of 1100981472 in words is "one billion, one hundred million, nine hundred eighty-one thousand, four hundred seventy-two".