1128580854 has 32 divisors (see below), whose sum is σ = 2332053504. Its totient is φ = 363733440.

The previous prime is 1128580799. The next prime is 1128580861. The reversal of 1128580854 is 4580858211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 292522 + ... + 296354.

It is an arithmetic number, because the mean of its divisors is an integer number (72876672).

Almost surely, 2^1128580854 is an apocalyptic number.

1128580854 is an abundant number, since it is smaller than the sum of its proper divisors (1203472650).

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

1128580854 is a wasteful number, since it uses less digits than its factorization.

1128580854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5452.

The product of its (nonzero) digits is 102400, while the sum is 42.

The square root of 1128580854 is about 33594.3574726471. The cubic root of 1128580854 is about 1041.1442208054.

The spelling of 1128580854 in words is "one billion, one hundred twenty-eight million, five hundred eighty thousand, eight hundred fifty-four".