1200345316 has 27 divisors (see below), whose sum is σ = 2233629769. Its totient is φ = 564314048.

The previous prime is 1200345313. The next prime is 1200345317. The reversal of 1200345316 is 6135430021.

The square root of 1200345316 is 34646.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 934524900 + 265820416 = 30570^2 + 16304^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200345313) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1177455 + ... + 1178473.

Almost surely, 2^1200345316 is an apocalyptic number.

1200345316 is the 34646-th square number.

It is an amenable number.

1200345316 is a deficient number, since it is larger than the sum of its proper divisors (1033284453).

1200345316 is an equidigital number, since it uses as much as digits as its factorization.

1200345316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2076 (or 1038 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The cubic root of 1200345316 is about 1062.7604907975.

Multiplying 1200345316 by its sum of digits (25), we get a square (30008632900 = 173230²).

Adding to 1200345316 its reverse (6135430021), we get a palindrome (7335775337).

The spelling of 1200345316 in words is "one billion, two hundred million, three hundred forty-five thousand, three hundred sixteen".