1190910001 has 4 divisors (see below), whose sum is σ = 1191046132. Its totient is φ = 1190773872.

The previous prime is 1190909977. The next prime is 1190910011. The reversal of 1190910001 is 1000190911.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 139594225 + 1051315776 = 11815^2 + 32424^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1190910001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1190910011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53970 + ... + 72763.

It is an arithmetic number, because the mean of its divisors is an integer number (297761533).

Almost surely, 2^1190910001 is an apocalyptic number.

It is an amenable number.

1190910001 is a deficient number, since it is larger than the sum of its proper divisors (136131).

1190910001 is an equidigital number, since it uses as much as digits as its factorization.

1190910001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136130.

The product of its (nonzero) digits is 81, while the sum is 22.

The square root of 1190910001 is about 34509.5639062565. The cubic root of 1190910001 is about 1059.9685528228.

The spelling of 1190910001 in words is "one billion, one hundred ninety million, nine hundred ten thousand, one".