1202000004 has 72 divisors (see below), whose sum is σ = 3161023320. Its totient is φ = 384652800.

The previous prime is 1201999973. The next prime is 1202000017. The reversal of 1202000004 is 4000002021.

It can be written as a sum of positive squares in 4 ways, for example, as 5531904 + 1196468100 = 2352^2 + 34590^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1202000004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 185784 + ... + 192144.

Almost surely, 2^1202000004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1202000004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1580511660).

1202000004 is an abundant number, since it is smaller than the sum of its proper divisors (1959023316).

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

1202000004 is a wasteful number, since it uses less digits than its factorization.

1202000004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6581 (or 6576 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 1202000004 is about 34669.8717044064. The cubic root of 1202000004 is about 1063.2486085561.

Adding to 1202000004 its reverse (4000002021), we get a palindrome (5202002025).

The spelling of 1202000004 in words is "one billion, two hundred two million, four", and thus it is an aban number.