1191768484 has 27 divisors (see below), whose sum is σ = 2142793443. Its totient is φ = 579969600.

The previous prime is 1191768451. The next prime is 1191768491. The reversal of 1191768484 is 4848671911.

It is a happy number.

The square root of 1191768484 is 34522.

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

It can be written as a sum of positive squares in 4 ways, for example, as 1094154084 + 97614400 = 33078^2 + 9880^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2830594 + ... + 2831014.

Almost surely, 2^1191768484 is an apocalyptic number.

1191768484 is the 34522-nd square number.

It is an amenable number.

1191768484 is a deficient number, since it is larger than the sum of its proper divisors (951024959).

1191768484 is an frugal number, since it uses more digits than its factorization.

1191768484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928 (or 464 counting only the distinct ones).

The product of its digits is 387072, while the sum is 49.

The cubic root of 1191768484 is about 1060.2231890300.

Multiplying 1191768484 by its sum of digits (49), we get a square (58396655716 = 241654²).

The spelling of 1191768484 in words is "one billion, one hundred ninety-one million, seven hundred sixty-eight thousand, four hundred eighty-four".