1128515430 has 32 divisors (see below), whose sum is σ = 3095357184. Its totient is φ = 257946336.

The previous prime is 1128515417. The next prime is 1128515441. The reversal of 1128515430 is 345158211.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 2686732 + ... + 2687151.

It is an arithmetic number, because the mean of its divisors is an integer number (96729912).

Almost surely, 2^1128515430 is an apocalyptic number.

1128515430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1128515430 is an abundant number, since it is smaller than the sum of its proper divisors (1966841754).

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

1128515430 is a wasteful number, since it uses less digits than its factorization.

1128515430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5373900.

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 1128515430 is about 33593.3837235846. The cubic root of 1128515430 is about 1041.1241019881.

The spelling of 1128515430 in words is "one billion, one hundred twenty-eight million, five hundred fifteen thousand, four hundred thirty".