1128019396 has 27 divisors (see below), whose sum is σ = 2297282799. Its totient is φ = 483235368.

The previous prime is 1128019367. The next prime is 1128019427. The reversal of 1128019396 is 6939108211.

The square root of 1128019396 is 33586.

It is a perfect power (a square), and thus also a powerful number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 469005 + ... + 471403.

Almost surely, 2^1128019396 is an apocalyptic number.

1128019396 is the 33586-th square number.

It is an amenable number.

1128019396 is an abundant number, since it is smaller than the sum of its proper divisors (1169263403).

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

1128019396 is an frugal number, since it uses more digits than its factorization.

1128019396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4816 (or 2408 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 40.

The cubic root of 1128019396 is about 1040.9715391246.

The spelling of 1128019396 in words is "one billion, one hundred twenty-eight million, nineteen thousand, three hundred ninety-six".