1502001 has 12 divisors (see below), whose sum is σ = 2297412. Its totient is φ = 942336.

The previous prime is 1501999. The next prime is 1502021. The reversal of 1502001 is 1002051.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1382976 + 119025 = 1176^2 + 345^2 .

It is not a de Polignac number, because 1502001 - 2¹ = 1501999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (1502021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4756 + ... + 5061.

It is an arithmetic number, because the mean of its divisors is an integer number (191451).

2^1502001 is an apocalyptic number.

It is an amenable number.

1502001 is a deficient number, since it is larger than the sum of its proper divisors (795411).

1502001 is a wasteful number, since it uses less digits than its factorization.

1502001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9840 (or 9837 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 9.

The square root of 1502001 is about 1225.5615039646. The cubic root of 1502001 is about 114.5223032645.

Adding to 1502001 its reverse (1002051), we get a palindrome (2504052).

The spelling of 1502001 in words is "one million, five hundred two thousand, one".