1206802653 has 16 divisors (see below), whose sum is σ = 1861095936. Its totient is φ = 681292080.

The previous prime is 1206802643. The next prime is 1206802661. The reversal of 1206802653 is 3562086021.

It is not a de Polignac number, because 1206802653 - 2⁹ = 1206802141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1206802643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 344443 + ... + 347928.

It is an arithmetic number, because the mean of its divisors is an integer number (116318496).

Almost surely, 2^1206802653 is an apocalyptic number.

It is an amenable number.

1206802653 is a deficient number, since it is larger than the sum of its proper divisors (654293283).

1206802653 is an equidigital number, since it uses as much as digits as its factorization.

1206802653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692464.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 1206802653 is about 34739.0652292200. The cubic root of 1206802653 is about 1064.6628137522.

Adding to 1206802653 its reverse (3562086021), we get a palindrome (4768888674).

The spelling of 1206802653 in words is "one billion, two hundred six million, eight hundred two thousand, six hundred fifty-three".