1200302001 has 6 divisors (see below), whose sum is σ = 1733769570. Its totient is φ = 800201328.

The previous prime is 1200301981. The next prime is 1200302023. The reversal of 1200302001 is 1002030021.

It is a happy number.

1200302001 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1031951376 + 168350625 = 32124^2 + 12975^2 .

It is not a de Polignac number, because 1200302001 - 2⁵ = 1200301969 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 133366889 = 1200302001 / (1 + 2 + 0 + 0 + 3 + 0 + 2 + 0 + 0 + 1).

It is not an unprimeable number, because it can be changed into a prime (1200302401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66683436 + ... + 66683453.

It is an arithmetic number, because the mean of its divisors is an integer number (288961595).

Almost surely, 2^1200302001 is an apocalyptic number.

It is an amenable number.

1200302001 is a deficient number, since it is larger than the sum of its proper divisors (533467569).

1200302001 is a wasteful number, since it uses less digits than its factorization.

1200302001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133366895 (or 133366892 counting only the distinct ones).

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

The square root of 1200302001 is about 34645.3748861230. The cubic root of 1200302001 is about 1062.7477072471.

Adding to 1200302001 its reverse (1002030021), we get a palindrome (2202332022).

The spelling of 1200302001 in words is "one billion, two hundred million, three hundred two thousand, one".