1001201304 has 32 divisors (see below), whose sum is σ = 2564054640. Its totient is φ = 325593600.

The previous prime is 1001201291. The next prime is 1001201309. The reversal of 1001201304 is 4031021001.

It is a happy number.

It is a super-2 number, since 2×1001201304² = 2004808102262600832, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1001201304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001201309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 507757 + ... + 509724.

Almost surely, 2^1001201304 is an apocalyptic number.

It is an amenable number.

1001201304 is an abundant number, since it is smaller than the sum of its proper divisors (1562853336).

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

1001201304 is a wasteful number, since it uses less digits than its factorization.

1001201304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017531 (or 1017527 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1001201304 is about 31641.7651846416. The cubic root of 1001201304 is about 1000.4002744257.

Adding to 1001201304 its reverse (4031021001), we get a palindrome (5032222305).

The spelling of 1001201304 in words is "one billion, one million, two hundred one thousand, three hundred four".