1023020101 has 4 divisors (see below), whose sum is σ = 1083197772. Its totient is φ = 962842432.

The previous prime is 1023020099. The next prime is 1023020107. The reversal of 1023020101 is 1010203201.

1023020101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1010203201 = 7 ⋅144314743.

It can be written as a sum of positive squares in 2 ways, for example, as 945562500 + 77457601 = 30750^2 + 8801^2 .

It is a cyclic number.

It is not a de Polignac number, because 1023020101 - 2¹ = 1023020099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023020107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30088810 + ... + 30088843.

It is an arithmetic number, because the mean of its divisors is an integer number (270799443).

Almost surely, 2^1023020101 is an apocalyptic number.

It is an amenable number.

1023020101 is a deficient number, since it is larger than the sum of its proper divisors (60177671).

1023020101 is an equidigital number, since it uses as much as digits as its factorization.

1023020101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60177670.

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

The square root of 1023020101 is about 31984.6854134913. The cubic root of 1023020101 is about 1007.6152280944.

Adding to 1023020101 its reverse (1010203201), we get a palindrome (2033223302).

It can be divided in two parts, 102 and 3020101, that added together give a palindrome (3020203).

The spelling of 1023020101 in words is "one billion, twenty-three million, twenty thousand, one hundred one".