102021301 has 4 divisors (see below), whose sum is σ = 108022572. Its totient is φ = 96020032.

The previous prime is 102021299. The next prime is 102021329. The reversal of 102021301 is 103120201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 68392900 + 33628401 = 8270^2 + 5799^2 .

It is a cyclic number.

It is not a de Polignac number, because 102021301 - 2¹ = 102021299 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102021001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3000610 + ... + 3000643.

It is an arithmetic number, because the mean of its divisors is an integer number (27005643).

Almost surely, 2^102021301 is an apocalyptic number.

It is an amenable number.

102021301 is a deficient number, since it is larger than the sum of its proper divisors (6001271).

102021301 is an equidigital number, since it uses as much as digits as its factorization.

102021301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6001270.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 102021301 is about 10100.5594399518. The cubic root of 102021301 is about 467.2653951711.

Adding to 102021301 its reverse (103120201), we get a palindrome (205141502).

The spelling of 102021301 in words is "one hundred two million, twenty-one thousand, three hundred one".