1190219801 has 4 divisors (see below), whose sum is σ = 1241968512. Its totient is φ = 1138471092.

The previous prime is 1190219777. The next prime is 1190219809. The reversal of 1190219801 is 1089120911.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1190219801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1190219809) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 25874321 + ... + 25874366.

It is an arithmetic number, because the mean of its divisors is an integer number (310492128).

Almost surely, 2^1190219801 is an apocalyptic number.

It is an amenable number.

1190219801 is a deficient number, since it is larger than the sum of its proper divisors (51748711).

1190219801 is an equidigital number, since it uses as much as digits as its factorization.

1190219801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51748710.

The product of its (nonzero) digits is 1296, while the sum is 32.

The square root of 1190219801 is about 34499.5623305572. The cubic root of 1190219801 is about 1059.7637425873.

The spelling of 1190219801 in words is "one billion, one hundred ninety million, two hundred nineteen thousand, eight hundred one".