1331066 has 16 divisors (see below), whose sum is σ = 2306880. Its totient is φ = 569280.

The previous prime is 1331063. The next prime is 1331093. The reversal of 1331066 is 6601331.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1331063) 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, 1406 + ... + 2153.

It is an arithmetic number, because the mean of its divisors is an integer number (144180).

2^1331066 is an apocalyptic number.

1331066 is a deficient number, since it is larger than the sum of its proper divisors (975814).

1331066 is a wasteful number, since it uses less digits than its factorization.

1331066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3589.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 1331066 is about 1153.7183365103. The cubic root of 1331066 is about 110.0018181518.

Adding to 1331066 its reverse (6601331), we get a palindrome (7932397).

It can be divided in two parts, 133 and 1066, that multiplied together give a triangular number (141778 = T₅₃₂).

The spelling of 1331066 in words is "one million, three hundred thirty-one thousand, sixty-six".