1020102106 has 4 divisors (see below), whose sum is σ = 1530153162. Its totient is φ = 510051052.

The previous prime is 1020102103. The next prime is 1020102107. The reversal of 1020102106 is 6012010201.

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

It can be written as a sum of positive squares in only one way, i.e., 524639025 + 495463081 = 22905^2 + 22259^2 .

It is not an unprimeable number, because it can be changed into a prime (1020102103) by changing a digit.

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 as a sum of consecutive naturals, namely, 255025525 + ... + 255025528.

Almost surely, 2^1020102106 is an apocalyptic number.

1020102106 is a deficient number, since it is larger than the sum of its proper divisors (510051056).

1020102106 is an equidigital number, since it uses as much as digits as its factorization.

1020102106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510051055.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1020102106 is about 31939.0373367764. The cubic root of 1020102106 is about 1006.6562973996.

Adding to 1020102106 its reverse (6012010201), we get a palindrome (7032112307).

The spelling of 1020102106 in words is "one billion, twenty million, one hundred two thousand, one hundred six".