1301020 has 24 divisors (see below), whose sum is σ = 3122784. Its totient is φ = 446016.

The previous prime is 1301017. The next prime is 1301021. The reversal of 1301020 is 201031.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1300994 and 1301012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4507 + ... + 4786.

It is an arithmetic number, because the mean of its divisors is an integer number (130116).

2^1301020 is an apocalyptic number.

1301020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1301020 is an abundant number, since it is smaller than the sum of its proper divisors (1821764).

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

1301020 is a wasteful number, since it uses less digits than its factorization.

1301020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9309 (or 9307 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 7.

The square root of 1301020 is about 1140.6226369839. The cubic root of 1301020 is about 109.1678249655.

Adding to 1301020 its reverse (201031), we get a palindrome (1502051).

The spelling of 1301020 in words is "one million, three hundred one thousand, twenty".