1120953640 has 64 divisors (see below), whose sum is σ = 2668723200. Its totient is φ = 422569728.

The previous prime is 1120953637. The next prime is 1120953641. The reversal of 1120953640 is 463590211.

It is not an unprimeable number, because it can be changed into a prime (1120953641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145977 + ... + 153463.

It is an arithmetic number, because the mean of its divisors is an integer number (41698800).

Almost surely, 2^1120953640 is an apocalyptic number.

1120953640 is a gapful number since it is divisible by the number (10) 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 1120953640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1334361600).

1120953640 is an abundant number, since it is smaller than the sum of its proper divisors (1547769560).

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

1120953640 is a wasteful number, since it uses less digits than its factorization.

1120953640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7714 (or 7710 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 1120953640 is about 33480.6457524343. The cubic root of 1120953640 is about 1038.7934849727.

The spelling of 1120953640 in words is "one billion, one hundred twenty million, nine hundred fifty-three thousand, six hundred forty".