1301648 has 10 divisors (see below), whose sum is σ = 2521974. Its totient is φ = 650816.

The previous prime is 1301621. The next prime is 1301669. The reversal of 1301648 is 8461031.

It can be written as a sum of positive squares in only one way, i.e., 1227664 + 73984 = 1108^2 + 272^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40661 + ... + 40692.

2^1301648 is an apocalyptic number.

It is an amenable number.

1301648 is a deficient number, since it is larger than the sum of its proper divisors (1220326).

1301648 is an equidigital number, since it uses as much as digits as its factorization.

1301648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81361 (or 81355 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 1301648 is about 1140.8978920131. The cubic root of 1301648 is about 109.1853871773.

Adding to 1301648 its reverse (8461031), we get a palindrome (9762679).

The spelling of 1301648 in words is "one million, three hundred one thousand, six hundred forty-eight".