1201109984 has 24 divisors (see below), whose sum is σ = 2428598088. Its totient is φ = 584323200.

The previous prime is 1201109983. The next prime is 1201110007. The reversal of 1201109984 is 4899011021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201109983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 506042 + ... + 508409.

It is an arithmetic number, because the mean of its divisors is an integer number (101191587).

Almost surely, 2^1201109984 is an apocalyptic number.

It is an amenable number.

1201109984 is an abundant number, since it is smaller than the sum of its proper divisors (1227488104).

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

1201109984 is a wasteful number, since it uses less digits than its factorization.

1201109984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014498 (or 1014490 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 35.

The square root of 1201109984 is about 34657.0336872618. The cubic root of 1201109984 is about 1062.9861165470.

The spelling of 1201109984 in words is "one billion, two hundred one million, one hundred nine thousand, nine hundred eighty-four".