1501002 has 12 divisors (see below), whose sum is σ = 3252210. Its totient is φ = 500328.

The previous prime is 1500997. The next prime is 1501009. The reversal of 1501002 is 2001051.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1279161 + 221841 = 1131^2 + 471^2 .

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 (1501009) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41677 + ... + 41712.

2^1501002 is an apocalyptic number.

1501002 is an abundant number, since it is smaller than the sum of its proper divisors (1751208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1501002 is a wasteful number, since it uses less digits than its factorization.

1501002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83397 (or 83394 counting only the distinct ones).

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

The square root of 1501002 is about 1225.1538678876. The cubic root of 1501002 is about 114.4969075524.

Adding to 1501002 its reverse (2001051), we get a palindrome (3502053).

The spelling of 1501002 in words is "one million, five hundred one thousand, two".