1601279248 has 20 divisors (see below), whose sum is σ = 3161017548. Its totient is φ = 785532800.

The previous prime is 1601279227. The next prime is 1601279261. The reversal of 1601279248 is 8429721061.

It can be written as a sum of positive squares in 2 ways, for example, as 995528704 + 605750544 = 31552^2 + 24612^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1601279248.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 943303 + ... + 944998.

Almost surely, 2^1601279248 is an apocalyptic number.

It is an amenable number.

1601279248 is a deficient number, since it is larger than the sum of its proper divisors (1559738300).

1601279248 is a wasteful number, since it uses less digits than its factorization.

1601279248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1888362 (or 1888356 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 1601279248 is about 40015.9874050360. The cubic root of 1601279248 is about 1169.9187242346.

The spelling of 1601279248 in words is "one billion, six hundred one million, two hundred seventy-nine thousand, two hundred forty-eight".