1101972160 has 56 divisors (see below), whose sum is σ = 2714579280. Its totient is φ = 425585664.

The previous prime is 1101972149. The next prime is 1101972161. The reversal of 1101972160 is 612791011.

It is not an unprimeable number, because it can be changed into a prime (1101972161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50094 + ... + 68653.

It is an arithmetic number, because the mean of its divisors is an integer number (48474630).

Almost surely, 2^1101972160 is an apocalyptic number.

1101972160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101972160 is an abundant number, since it is smaller than the sum of its proper divisors (1612607120).

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

1101972160 is a wasteful number, since it uses less digits than its factorization.

1101972160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118793 (or 118783 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 28.

The square root of 1101972160 is about 33195.9660199850. The cubic root of 1101972160 is about 1032.8966627614.

The spelling of 1101972160 in words is "one billion, one hundred one million, nine hundred seventy-two thousand, one hundred sixty".