1190948565 has 16 divisors (see below), whose sum is σ = 1913115456. Its totient is φ = 632640000.

The previous prime is 1190948543. The next prime is 1190948569. The reversal of 1190948565 is 5658490911.

It is not a de Polignac number, because 1190948565 - 2⁶ = 1190948501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1190948569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154396 + ... + 161925.

It is an arithmetic number, because the mean of its divisors is an integer number (119569716).

Almost surely, 2^1190948565 is an apocalyptic number.

1190948565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1190948565 is a deficient number, since it is larger than the sum of its proper divisors (722166891).

1190948565 is a wasteful number, since it uses less digits than its factorization.

1190948565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316580.

The product of its (nonzero) digits is 388800, while the sum is 48.

The square root of 1190948565 is about 34510.1226453920. The cubic root of 1190948565 is about 1059.9799939858.

The spelling of 1190948565 in words is "one billion, one hundred ninety million, nine hundred forty-eight thousand, five hundred sixty-five".