1002115 has 16 divisors (see below), whose sum is σ = 1267200. Its totient is φ = 760032.

The previous prime is 1002109. The next prime is 1002121. The reversal of 1002115 is 5112001.

It is a happy number.

1002115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1002109) and next prime (1002121).

It is a cyclic number.

It is not a de Polignac number, because 1002115 - 2⁵ = 1002083 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12646 + ... + 12724.

It is an arithmetic number, because the mean of its divisors is an integer number (79200).

2^1002115 is an apocalyptic number.

1002115 is a deficient number, since it is larger than the sum of its proper divisors (265085).

1002115 is an equidigital number, since it uses as much as digits as its factorization.

1002115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186.

The product of its (nonzero) digits is 10, while the sum is 10.

The square root of 1002115 is about 1001.0569414374. The cubic root of 1002115 is about 100.0704503558.

Adding to 1002115 its reverse (5112001), we get a palindrome (6114116).

The spelling of 1002115 in words is "one million, two thousand, one hundred fifteen".