1301020101 has 12 divisors (see below), whose sum is σ = 1879581600. Its totient is φ = 867194280.

The previous prime is 1301020073. The next prime is 1301020129. The reversal of 1301020101 is 1010201031.

It is an interprime number because it is at equal distance from previous prime (1301020073) and next prime (1301020129).

It is not a de Polignac number, because 1301020101 - 2⁹ = 1301019589 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301020181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68986 + ... + 85796.

It is an arithmetic number, because the mean of its divisors is an integer number (156631800).

Almost surely, 2^1301020101 is an apocalyptic number.

It is an amenable number.

1301020101 is a deficient number, since it is larger than the sum of its proper divisors (578561499).

1301020101 is a wasteful number, since it uses less digits than its factorization.

1301020101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25416 (or 25413 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 1301020101 is about 36069.6562362327. The cubic root of 1301020101 is about 1091.6782779048.

Adding to 1301020101 its reverse (1010201031), we get a palindrome (2311221132).

The spelling of 1301020101 in words is "one billion, three hundred one million, twenty thousand, one hundred one".