1331007 has 12 divisors (see below), whose sum is σ = 1874520. Its totient is φ = 839952.

The previous prime is 1330997. The next prime is 1331023. The reversal of 1331007 is 7001331.

It is not a de Polignac number, because 1331007 - 2⁶ = 1330943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 469 + ... + 1697.

It is an arithmetic number, because the mean of its divisors is an integer number (156210).

2^1331007 is an apocalyptic number.

1331007 is a deficient number, since it is larger than the sum of its proper divisors (543513).

1331007 is a wasteful number, since it uses less digits than its factorization.

1331007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1270 (or 1251 counting only the distinct ones).

The product of its (nonzero) digits is 63, while the sum is 15.

The square root of 1331007 is about 1153.6927667278. The cubic root of 1331007 is about 110.0001928371. Note that the first 3 decimals are identical.

Adding to 1331007 its reverse (7001331), we get a palindrome (8332338).

The spelling of 1331007 in words is "one million, three hundred thirty-one thousand, seven".