1001137 has 4 divisors (see below), whose sum is σ = 1011556. Its totient is φ = 990720.

The previous prime is 1001123. The next prime is 1001153. The reversal of 1001137 is 7311001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7311001 = 997 ⋅7333.

It can be written as a sum of positive squares in 2 ways, for example, as 505521 + 495616 = 711^2 + 704^2 .

It is a cyclic number.

It is not a de Polignac number, because 1001137 - 2¹⁹ = 476849 is a prime.

It is a Duffinian number.

1001137 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1001107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5064 + ... + 5257.

It is an arithmetic number, because the mean of its divisors is an integer number (252889).

2^1001137 is an apocalyptic number.

It is an amenable number.

1001137 is a deficient number, since it is larger than the sum of its proper divisors (10419).

1001137 is an equidigital number, since it uses as much as digits as its factorization.

1001137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10418.

The product of its (nonzero) digits is 21, while the sum is 13.

The square root of 1001137 is about 1000.5683384957. The cubic root of 1001137 is about 100.0378856450.

Adding to 1001137 its reverse (7311001), we get a palindrome (8312138).

The spelling of 1001137 in words is "one million, one thousand, one hundred thirty-seven".