1202688001 has 4 divisors (see below), whose sum is σ = 1273434372. Its totient is φ = 1131941632.

The previous prime is 1202687953. The next prime is 1202688007. The reversal of 1202688001 is 1008862021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 322023025 + 880664976 = 17945^2 + 29676^2 .

It is a cyclic number.

It is not a de Polignac number, because 1202688001 - 2¹⁹ = 1202163713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1202688007) 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 3 ways as a sum of consecutive naturals, for example, 35373160 + ... + 35373193.

It is an arithmetic number, because the mean of its divisors is an integer number (318358593).

Almost surely, 2^1202688001 is an apocalyptic number.

It is an amenable number.

1202688001 is a deficient number, since it is larger than the sum of its proper divisors (70746371).

1202688001 is an equidigital number, since it uses as much as digits as its factorization.

1202688001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70746370.

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 1202688001 is about 34679.7924013394. The cubic root of 1202688001 is about 1063.4514295012.

The spelling of 1202688001 in words is "one billion, two hundred two million, six hundred eighty-eight thousand, one".