1200002102 has 8 divisors (see below), whose sum is σ = 1938464976. Its totient is φ = 553847112.

The previous prime is 1200002101. The next prime is 1200002117. The reversal of 1200002102 is 2012000021.

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 1200002102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200002101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23076938 + ... + 23076989.

It is an arithmetic number, because the mean of its divisors is an integer number (242308122).

Almost surely, 2^1200002102 is an apocalyptic number.

1200002102 is a deficient number, since it is larger than the sum of its proper divisors (738462874).

1200002102 is a wasteful number, since it uses less digits than its factorization.

1200002102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46153942.

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 1200002102 is about 34641.0464911209. The cubic root of 1200002102 is about 1062.6591896568.

Adding to 1200002102 its reverse (2012000021), we get a palindrome (3212002123).

The spelling of 1200002102 in words is "one billion, two hundred million, two thousand, one hundred two".