1196391428 has 6 divisors (see below), whose sum is σ = 2093685006. Its totient is φ = 598195712.

The previous prime is 1196391403. The next prime is 1196391457. The reversal of 1196391428 is 8241936911.

It can be written as a sum of positive squares in only one way, i.e., 1194946624 + 1444804 = 34568^2 + 1202^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149548925 + ... + 149548932.

It is an arithmetic number, because the mean of its divisors is an integer number (348947501).

Almost surely, 2^1196391428 is an apocalyptic number.

It is an amenable number.

1196391428 is a deficient number, since it is larger than the sum of its proper divisors (897293578).

1196391428 is a wasteful number, since it uses less digits than its factorization.

1196391428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299097861 (or 299097859 counting only the distinct ones).

The product of its digits is 93312, while the sum is 44.

The square root of 1196391428 is about 34588.8916850483. The cubic root of 1196391428 is about 1061.5923107927.

The spelling of 1196391428 in words is "one billion, one hundred ninety-six million, three hundred ninety-one thousand, four hundred twenty-eight".