1002401002 has 8 divisors (see below), whose sum is σ = 1514419200. Its totient is φ = 497594604.

The previous prime is 1002400991. The next prime is 1002401011. The reversal of 1002401002 is 2001042001.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1002401002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1802602 + ... + 1803157.

It is an arithmetic number, because the mean of its divisors is an integer number (189302400).

Almost surely, 2^1002401002 is an apocalyptic number.

1002401002 is a deficient number, since it is larger than the sum of its proper divisors (512018198).

1002401002 is a wasteful number, since it uses less digits than its factorization.

1002401002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3605900.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 1002401002 is about 31660.7170165175. The cubic root of 1002401002 is about 1000.7996943185.

Adding to 1002401002 its reverse (2001042001), we get a palindrome (3003443003).

The spelling of 1002401002 in words is "one billion, two million, four hundred one thousand, two".