1210002102 has 24 divisors (see below), whose sum is σ = 2630113200. Its totient is φ = 402035280.

The previous prime is 1210002097. The next prime is 1210002107. The reversal of 1210002102 is 2012000121.

It is an interprime number because it is at equal distance from previous prime (1210002097) and next prime (1210002107).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210002107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102477 + ... + 113672.

It is an arithmetic number, because the mean of its divisors is an integer number (109588050).

Almost surely, 2^1210002102 is an apocalyptic number.

1210002102 is an abundant number, since it is smaller than the sum of its proper divisors (1420111098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1210002102 is a wasteful number, since it uses less digits than its factorization.

1210002102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216468 (or 216465 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 1210002102 is about 34785.0844759647. The cubic root of 1210002102 is about 1065.6028538175.

Adding to 1210002102 its reverse (2012000121), we get a palindrome (3222002223).

The spelling of 1210002102 in words is "one billion, two hundred ten million, two thousand, one hundred two".