1128258572 has 24 divisors (see below), whose sum is σ = 2334329760. Its totient is φ = 466865280.

The previous prime is 1128258563. The next prime is 1128258587. The reversal of 1128258572 is 2758528211.

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, 693929 + ... + 695552.

It is an arithmetic number, because the mean of its divisors is an integer number (97263740).

Almost surely, 2^1128258572 is an apocalyptic number.

It is an amenable number.

1128258572 is an abundant number, since it is smaller than the sum of its proper divisors (1206071188).

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

1128258572 is a wasteful number, since it uses less digits than its factorization.

1128258572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389521 (or 1389519 counting only the distinct ones).

The product of its digits is 89600, while the sum is 41.

The square root of 1128258572 is about 33589.5604615482. The cubic root of 1128258572 is about 1041.0451069536.

The spelling of 1128258572 in words is "one billion, one hundred twenty-eight million, two hundred fifty-eight thousand, five hundred seventy-two".