1189051928 has 16 divisors (see below), whose sum is σ = 2236093080. Its totient is φ = 592760448.

The previous prime is 1189051883. The next prime is 1189051931. The reversal of 1189051928 is 8291509811.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217826 + ... + 223217.

Almost surely, 2^1189051928 is an apocalyptic number.

It is an amenable number.

1189051928 is a deficient number, since it is larger than the sum of its proper divisors (1047041152).

1189051928 is a wasteful number, since it uses less digits than its factorization.

1189051928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441386 (or 441382 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 44.

The square root of 1189051928 is about 34482.6322661133. The cubic root of 1189051928 is about 1059.4170070539.

The spelling of 1189051928 in words is "one billion, one hundred eighty-nine million, fifty-one thousand, nine hundred twenty-eight".