1191002 has 8 divisors (see below), whose sum is σ = 1798356. Its totient is φ = 591552.

The previous prime is 1190983. The next prime is 1191011. The reversal of 1191002 is 2001911.

It can be written as a sum of positive squares in 2 ways, for example, as 1100401 + 90601 = 1049^2 + 301^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1583 + ... + 2210.

2^1191002 is an apocalyptic number.

1191002 is a deficient number, since it is larger than the sum of its proper divisors (607354).

1191002 is a wasteful number, since it uses less digits than its factorization.

1191002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3952.

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 1191002 is about 1091.3303807739. The cubic root of 1191002 is about 105.9995846667. Note that the first 3 decimals are identical.

Adding to 1191002 its sum of digits (14), we get a cube (1191016 = 106³).

Adding to 1191002 its reverse (2001911), we get a palindrome (3192913).

The spelling of 1191002 in words is "one million, one hundred ninety-one thousand, two".