1190001 has 4 divisors (see below), whose sum is σ = 1586672. Its totient is φ = 793332.

The previous prime is 1189999. The next prime is 1190011. The reversal of 1190001 is 1000911.

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 1190001 - 2¹ = 1189999 is a prime.

It is a super-2 number, since 2×1190001² = 2832204760002, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1190011) 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, 198331 + ... + 198336.

It is an arithmetic number, because the mean of its divisors is an integer number (396668).

2^1190001 is an apocalyptic number.

It is an amenable number.

1190001 is a deficient number, since it is larger than the sum of its proper divisors (396671).

1190001 is an equidigital number, since it uses as much as digits as its factorization.

1190001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396670.

The product of its (nonzero) digits is 9, while the sum is 12.

The square root of 1190001 is about 1090.8716698127. The cubic root of 1190001 is about 105.9698798959.

Adding to 1190001 its reverse (1000911), we get a palindrome (2190912).

The spelling of 1190001 in words is "one million, one hundred ninety thousand, one".