1101980472 has 64 divisors (see below), whose sum is σ = 2834942880. Its totient is φ = 356700672.

The previous prime is 1101980447. The next prime is 1101980489. The reversal of 1101980472 is 2740891011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 650058 + ... + 651750.

Almost surely, 2^1101980472 is an apocalyptic number.

1101980472 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 1101980472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1417471440).

1101980472 is an abundant number, since it is smaller than the sum of its proper divisors (1732962408).

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

1101980472 is a wasteful number, since it uses less digits than its factorization.

1101980472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2472 (or 2468 counting only the distinct ones).

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

The square root of 1101980472 is about 33196.0912156838. The cubic root of 1101980472 is about 1032.8992597464.

The spelling of 1101980472 in words is "one billion, one hundred one million, nine hundred eighty thousand, four hundred seventy-two".