1015001 has 8 divisors (see below), whose sum is σ = 1102080. Its totient is φ = 929232.

The previous prime is 1014989. The next prime is 1015009. The reversal of 1015001 is 1005101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1015001 - 2¹⁴ = 998617 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1015001.

It is not an unprimeable number, because it can be changed into a prime (1015009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1880 + ... + 2358.

It is an arithmetic number, because the mean of its divisors is an integer number (137760).

2^1015001 is an apocalyptic number.

It is an amenable number.

1015001 is a deficient number, since it is larger than the sum of its proper divisors (87079).

1015001 is a wasteful number, since it uses less digits than its factorization.

1015001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655.

The product of its (nonzero) digits is 5, while the sum is 8.

The square root of 1015001 is about 1007.4725802720. The cubic root of 1015001 is about 100.4975536314.

The spelling of 1015001 in words is "one million, fifteen thousand, one".