1301041020 has 24 divisors (see below), whose sum is σ = 3642915024. Its totient is φ = 346944256.

The previous prime is 1301041013. The next prime is 1301041039. The reversal of 1301041020 is 201401031.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1301040987 and 1301041005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10841949 + ... + 10842068.

It is an arithmetic number, because the mean of its divisors is an integer number (151788126).

Almost surely, 2^1301041020 is an apocalyptic number.

1301041020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1301041020 is an abundant number, since it is smaller than the sum of its proper divisors (2341874004).

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

1301041020 is a wasteful number, since it uses less digits than its factorization.

1301041020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21684029 (or 21684027 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1301041020 is about 36069.9462156516. The cubic root of 1301041020 is about 1091.6841288766.

Adding to 1301041020 its reverse (201401031), we get a palindrome (1502442051).

The spelling of 1301041020 in words is "one billion, three hundred one million, forty-one thousand, twenty".