1101873672 has 128 divisors (see below), whose sum is σ = 3201024000. Its totient is φ = 350775360.

The previous prime is 1101873671. The next prime is 1101873739. The reversal of 1101873672 is 2763781011.

1101873672 is a `hidden beast` number, since 110 + 187 + 367 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1101873671) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 527943 + ... + 530025.

It is an arithmetic number, because the mean of its divisors is an integer number (25008000).

Almost surely, 2^1101873672 is an apocalyptic number.

1101873672 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 1101873672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1600512000).

1101873672 is an abundant number, since it is smaller than the sum of its proper divisors (2099150328).

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

1101873672 is a wasteful number, since it uses less digits than its factorization.

1101873672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2208 (or 2198 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 1101873672 is about 33194.4825535811. The cubic root of 1101873672 is about 1032.8658903696.

The spelling of 1101873672 in words is "one billion, one hundred one million, eight hundred seventy-three thousand, six hundred seventy-two".