1011002 has 4 divisors (see below), whose sum is σ = 1516506. Its totient is φ = 505500.

The previous prime is 1011001. The next prime is 1011013. The reversal of 1011002 is 2001101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 687241 + 323761 = 829^2 + 569^2 .

It is not an unprimeable number, because it can be changed into a prime (1011001) 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 as a sum of consecutive naturals, namely, 252749 + ... + 252752.

2^1011002 is an apocalyptic number.

1011002 is a deficient number, since it is larger than the sum of its proper divisors (505504).

1011002 is an equidigital number, since it uses as much as digits as its factorization.

1011002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505503.

The product of its (nonzero) digits is 2, while the sum is 5.

The square root of 1011002 is about 1005.4859521644. The cubic root of 1011002 is about 100.3653965607.

Adding to 1011002 its reverse (2001101), we get a palindrome (3012103).

Subtracting 1011002 from its reverse (2001101), we obtain a palindrome (990099).

Multiplying 1011002 by its reverse (2001101), we get a palindrome (2023117113202).

The spelling of 1011002 in words is "one million, eleven thousand, two".