1002312502 has 4 divisors (see below), whose sum is σ = 1503468756. Its totient is φ = 501156250.

The previous prime is 1002312463. The next prime is 1002312523. The reversal of 1002312502 is 2052132001.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250578124 + ... + 250578127.

It is an arithmetic number, because the mean of its divisors is an integer number (375867189).

Almost surely, 2^1002312502 is an apocalyptic number.

1002312502 is a deficient number, since it is larger than the sum of its proper divisors (501156254).

1002312502 is an equidigital number, since it uses as much as digits as its factorization.

1002312502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501156253.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1002312502 is about 31659.3193546545. The cubic root of 1002312502 is about 1000.7702405771.

Adding to 1002312502 its reverse (2052132001), we get a palindrome (3054444503).

The spelling of 1002312502 in words is "one billion, two million, three hundred twelve thousand, five hundred two".