1001315 has 24 divisors (see below), whose sum is σ = 1441872. Its totient is φ = 665280.

The previous prime is 1001311. The next prime is 1001321. The reversal of 1001315 is 5131001.

It is not a de Polignac number, because 1001315 - 2² = 1001311 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1001296 and 1001305.

It is not an unprimeable number, because it can be changed into a prime (1001311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14912 + ... + 14978.

It is an arithmetic number, because the mean of its divisors is an integer number (60078).

2^1001315 is an apocalyptic number.

1001315 is a deficient number, since it is larger than the sum of its proper divisors (440557).

1001315 is an equidigital number, since it uses as much as digits as its factorization.

1001315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147 (or 140 counting only the distinct ones).

The product of its (nonzero) digits is 15, while the sum is 11.

The square root of 1001315 is about 1000.6572839889. The cubic root of 1001315 is about 100.0438141337.

Adding to 1001315 its reverse (5131001), we get a palindrome (6132316).

The spelling of 1001315 in words is "one million, one thousand, three hundred fifteen".