1202660661 has 8 divisors (see below), whose sum is σ = 1630726560. Its totient is φ = 788184272.

The previous prime is 1202660647. The next prime is 1202660677. The reversal of 1202660661 is 1660662021.

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

It is a cyclic number.

It is not a de Polignac number, because 1202660661 - 2⁵ = 1202660629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202660161) 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, 3397170 + ... + 3397523.

It is an arithmetic number, because the mean of its divisors is an integer number (203840820).

Almost surely, 2^1202660661 is an apocalyptic number.

It is an amenable number.

1202660661 is a deficient number, since it is larger than the sum of its proper divisors (428065899).

1202660661 is an equidigital number, since it uses as much as digits as its factorization.

1202660661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6794755.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 1202660661 is about 34679.3982214225. The cubic root of 1202660661 is about 1063.4433711679.

The spelling of 1202660661 in words is "one billion, two hundred two million, six hundred sixty thousand, six hundred sixty-one".