1190995993 has 4 divisors (see below), whose sum is σ = 1299268368. Its totient is φ = 1082723620.

The previous prime is 1190995963. The next prime is 1190996017. The reversal of 1190995993 is 3995990911.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1190995993 - 2¹³ = 1190987801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1190995963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54136171 + ... + 54136192.

It is an arithmetic number, because the mean of its divisors is an integer number (324817092).

Almost surely, 2^1190995993 is an apocalyptic number.

It is an amenable number.

1190995993 is a deficient number, since it is larger than the sum of its proper divisors (108272375).

1190995993 is a wasteful number, since it uses less digits than its factorization.

1190995993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108272374.

The product of its (nonzero) digits is 885735, while the sum is 55.

The square root of 1190995993 is about 34510.8097992499. The cubic root of 1190995993 is about 1059.9940645805.

The spelling of 1190995993 in words is "one billion, one hundred ninety million, nine hundred ninety-five thousand, nine hundred ninety-three".