1002275 has 12 divisors (see below), whose sum is σ = 1270752. Its totient is φ = 783840.

The previous prime is 1002263. The next prime is 1002289. The reversal of 1002275 is 5722001.

It is not a de Polignac number, because 1002275 - 2⁴ = 1002259 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 749 + ... + 1601.

It is an arithmetic number, because the mean of its divisors is an integer number (105896).

2^1002275 is an apocalyptic number.

1002275 is a deficient number, since it is larger than the sum of its proper divisors (268477).

1002275 is an equidigital number, since it uses as much as digits as its factorization.

1002275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910 (or 905 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 1002275 is about 1001.1368537817. The cubic root of 1002275 is about 100.0757758990.

Adding to 1002275 its reverse (5722001), we get a palindrome (6724276).

The spelling of 1002275 in words is "one million, two thousand, two hundred seventy-five".