1301604404 has 12 divisors (see below), whose sum is σ = 2279669700. Its totient is φ = 650270208.

The previous prime is 1301604391. The next prime is 1301604427. The reversal of 1301604404 is 4044061031.

It can be written as a sum of positive squares in 2 ways, for example, as 1278062500 + 23541904 = 35750^2 + 4852^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1301604404.

It is a congruent number.

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, 127469 + ... + 137300.

It is an arithmetic number, because the mean of its divisors is an integer number (189972475).

Almost surely, 2^1301604404 is an apocalyptic number.

It is an amenable number.

1301604404 is a deficient number, since it is larger than the sum of its proper divisors (978065296).

1301604404 is a wasteful number, since it uses less digits than its factorization.

1301604404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266002 (or 266000 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1301604404 is about 36077.7549744992. The cubic root of 1301604404 is about 1091.8416818431.

Adding to 1301604404 its reverse (4044061031), we get a palindrome (5345665435).

The spelling of 1301604404 in words is "one billion, three hundred one million, six hundred four thousand, four hundred four".