1140961056 has 48 divisors (see below), whose sum is σ = 2998245600. Its totient is φ = 379911168.

The previous prime is 1140961037. The next prime is 1140961111. The reversal of 1140961056 is 6501690411.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90975 + ... + 102753.

It is an arithmetic number, because the mean of its divisors is an integer number (62463450).

Almost surely, 2^1140961056 is an apocalyptic number.

1140961056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1140961056 is an abundant number, since it is smaller than the sum of its proper divisors (1857284544).

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

1140961056 is a wasteful number, since it uses less digits than its factorization.

1140961056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12801 (or 12793 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 1140961056 is about 33778.1150450998. The cubic root of 1140961056 is about 1044.9374003083.

The spelling of 1140961056 in words is "one billion, one hundred forty million, nine hundred sixty-one thousand, fifty-six".