1202663165 has 12 divisors (see below), whose sum is σ = 1586323452. Its totient is φ = 874663680.

The previous prime is 1202663149. The next prime is 1202663171. The reversal of 1202663165 is 5613662021.

It can be written as a sum of positive squares in 2 ways, for example, as 321879481 + 880783684 = 17941^2 + 29678^2 .

It is not a de Polignac number, because 1202663165 - 2⁴ = 1202663149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 993332 + ... + 994541.

It is an arithmetic number, because the mean of its divisors is an integer number (132193621).

Almost surely, 2^1202663165 is an apocalyptic number.

It is an amenable number.

1202663165 is a deficient number, since it is larger than the sum of its proper divisors (383660287).

1202663165 is a wasteful number, since it uses less digits than its factorization.

1202663165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1987900 (or 1987889 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 1202663165 is about 34679.4343235296. The cubic root of 1202663165 is about 1063.4441092149. Note that the first 3 decimals are identical.

The spelling of 1202663165 in words is "one billion, two hundred two million, six hundred sixty-three thousand, one hundred sixty-five".