1202004665 has 8 divisors (see below), whose sum is σ = 1447330248. Its totient is φ = 958320640.

The previous prime is 1202004637. The next prime is 1202004691. The reversal of 1202004665 is 5664002021.

It can be written as a sum of positive squares in 4 ways, for example, as 50013184 + 1151991481 = 7072^2 + 33941^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1202004665 - 2⁸ = 1202004409 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 408776 + ... + 411705.

It is an arithmetic number, because the mean of its divisors is an integer number (180916281).

Almost surely, 2^1202004665 is an apocalyptic number.

It is an amenable number.

1202004665 is a deficient number, since it is larger than the sum of its proper divisors (245325583).

1202004665 is an equidigital number, since it uses as much as digits as its factorization.

1202004665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820779.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 1202004665 is about 34669.9389240881. The cubic root of 1202004665 is about 1063.2499828754.

Adding to 1202004665 its reverse (5664002021), we get a palindrome (6866006686).

The spelling of 1202004665 in words is "one billion, two hundred two million, four thousand, six hundred sixty-five".