1119041728 has 56 divisors (see below), whose sum is σ = 2687128992. Its totient is φ = 451375104.

The previous prime is 1119041717. The next prime is 1119041743. The reversal of 1119041728 is 8271409111.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 1119041693 and 1119041702.

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, 65851 + ... + 81082.

Almost surely, 2^1119041728 is an apocalyptic number.

It is an amenable number.

1119041728 is an abundant number, since it is smaller than the sum of its proper divisors (1568087264).

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

1119041728 is a wasteful number, since it uses less digits than its factorization.

1119041728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146969 (or 146959 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 34.

The square root of 1119041728 is about 33452.0810712876. The cubic root of 1119041728 is about 1038.2025559960.

The spelling of 1119041728 in words is "one billion, one hundred nineteen million, forty-one thousand, seven hundred twenty-eight".