502122002 has 4 divisors (see below), whose sum is σ = 753183006. Its totient is φ = 251061000.

The previous prime is 502121969. The next prime is 502122007. The reversal of 502122002 is 200221205.

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

It can be written as a sum of positive squares in only one way, i.e., 393982801 + 108139201 = 19849^2 + 10399^2 .

It is not an unprimeable number, because it can be changed into a prime (502122007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125530499 + ... + 125530502.

Almost surely, 2^502122002 is an apocalyptic number.

502122002 is a deficient number, since it is larger than the sum of its proper divisors (251061004).

502122002 is a wasteful number, since it uses less digits than its factorization.

502122002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251061003.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 502122002 is about 22408.0789448806. The cubic root of 502122002 is about 794.8217640330.

Adding to 502122002 its reverse (200221205), we get a palindrome (702343207).

The spelling of 502122002 in words is "five hundred two million, one hundred twenty-two thousand, two".