1301218928 has 40 divisors (see below), whose sum is σ = 2633536800. Its totient is φ = 621657344.

The previous prime is 1301218921. The next prime is 1301218943. The reversal of 1301218928 is 8298121031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301218921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 627878 + ... + 629946.

It is an arithmetic number, because the mean of its divisors is an integer number (65838420).

Almost surely, 2^1301218928 is an apocalyptic number.

It is an amenable number.

1301218928 is an abundant number, since it is smaller than the sum of its proper divisors (1332317872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1301218928 is a wasteful number, since it uses less digits than its factorization.

1301218928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3809 (or 3803 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 35.

The square root of 1301218928 is about 36072.4122841819. The cubic root of 1301218928 is about 1091.7338865924.

Adding to 1301218928 its reverse (8298121031), we get a palindrome (9599339959).

The spelling of 1301218928 in words is "one billion, three hundred one million, two hundred eighteen thousand, nine hundred twenty-eight".