1301323004 has 72 divisors (see below), whose sum is σ = 2535820560. Its totient is φ = 581852160.

The previous prime is 1301322973. The next prime is 1301323007. The reversal of 1301323004 is 4003231031.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301323007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9361967 + ... + 9362105.

It is an arithmetic number, because the mean of its divisors is an integer number (35219730).

Almost surely, 2^1301323004 is an apocalyptic number.

It is an amenable number.

1301323004 is a deficient number, since it is larger than the sum of its proper divisors (1234497556).

1301323004 is a wasteful number, since it uses less digits than its factorization.

1301323004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319 (or 256 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1301323004 is about 36073.8548536194. The cubic root of 1301323004 is about 1091.7629927032.

Adding to 1301323004 its reverse (4003231031), we get a palindrome (5304554035).

The spelling of 1301323004 in words is "one billion, three hundred one million, three hundred twenty-three thousand, four".