1201022002 has 16 divisors (see below), whose sum is σ = 1811590560. Its totient is φ = 597167712.

The previous prime is 1201021963. The next prime is 1201022041. The reversal of 1201022002 is 2002201021.

It is an interprime number because it is at equal distance from previous prime (1201021963) and next prime (1201022041).

It is a self number, because there is not a number n which added to its sum of digits gives 1201022002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316774 + ... + 320542.

It is an arithmetic number, because the mean of its divisors is an integer number (113224410).

Almost surely, 2^1201022002 is an apocalyptic number.

1201022002 is a deficient number, since it is larger than the sum of its proper divisors (610568558).

1201022002 is a wasteful number, since it uses less digits than its factorization.

1201022002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4617.

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

The square root of 1201022002 is about 34655.7643401498. The cubic root of 1201022002 is about 1062.9601611309.

Adding to 1201022002 its reverse (2002201021), we get a palindrome (3203223023).

The spelling of 1201022002 in words is "one billion, two hundred one million, twenty-two thousand, two".