1311154 has 16 divisors (see below), whose sum is σ = 2136960. Its totient is φ = 599760.

The previous prime is 1311143. The next prime is 1311173. The reversal of 1311154 is 4511131.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5367 + ... + 5605.

It is an arithmetic number, because the mean of its divisors is an integer number (133560).

2^1311154 is an apocalyptic number.

1311154 is a deficient number, since it is larger than the sum of its proper divisors (825806).

1311154 is a wasteful number, since it uses less digits than its factorization.

1311154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465.

The product of its digits is 60, while the sum is 16.

The square root of 1311154 is about 1145.0563304921. The cubic root of 1311154 is about 109.4505381860.

Adding to 1311154 its reverse (4511131), we get a palindrome (5822285).

The spelling of 1311154 in words is "one million, three hundred eleven thousand, one hundred fifty-four".