1311002 has 16 divisors (see below), whose sum is σ = 2452032. Its totient is φ = 510720.

The previous prime is 1311001. The next prime is 1311029. The reversal of 1311002 is 2001131.

It is not an unprimeable number, because it can be changed into a prime (1311001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4103 + ... + 4410.

It is an arithmetic number, because the mean of its divisors is an integer number (153252).

2^1311002 is an apocalyptic number.

1311002 is a deficient number, since it is larger than the sum of its proper divisors (1141030).

1311002 is a wasteful number, since it uses less digits than its factorization.

1311002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8533.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 1311002 is about 1144.9899562878. The cubic root of 1311002 is about 109.4463085469.

Adding to 1311002 its reverse (2001131), we get a palindrome (3312133).

The spelling of 1311002 in words is "one million, three hundred eleven thousand, two".