1200030102 has 96 divisors (see below), whose sum is σ = 2863721952. Its totient is φ = 361608192.

The previous prime is 1200030089. The next prime is 1200030109. The reversal of 1200030102 is 2010300021.

It is a happy number.

It is a super-2 number, since 2×1200030102² = 2880144491412260808, which contains 22 as substring.

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 (1200030109) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 939088 + ... + 940364.

It is an arithmetic number, because the mean of its divisors is an integer number (29830437).

Almost surely, 2^1200030102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1200030102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1431860976).

1200030102 is an abundant number, since it is smaller than the sum of its proper divisors (1663691850).

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

1200030102 is a wasteful number, since it uses less digits than its factorization.

1200030102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1422 (or 1419 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 1200030102 is about 34641.4506335979. The cubic root of 1200030102 is about 1062.6674547050.

Adding to 1200030102 its reverse (2010300021), we get a palindrome (3210330123).

The spelling of 1200030102 in words is "one billion, two hundred million, thirty thousand, one hundred two".