1020130229 has 4 divisors (see below), whose sum is σ = 1020204876. Its totient is φ = 1020055584.

The previous prime is 1020130217. The next prime is 1020130261. The reversal of 1020130229 is 9220310201.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 894129604 + 126000625 = 29902^2 + 11225^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020130229 - 2⁸ = 1020129973 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1020130229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020130289) 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, 10304 + ... + 46329.

It is an arithmetic number, because the mean of its divisors is an integer number (255051219).

Almost surely, 2^1020130229 is an apocalyptic number.

It is an amenable number.

1020130229 is a deficient number, since it is larger than the sum of its proper divisors (74647).

1020130229 is an equidigital number, since it uses as much as digits as its factorization.

1020130229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74646.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 1020130229 is about 31939.4775943502. The cubic root of 1020130229 is about 1006.6655480863.

The spelling of 1020130229 in words is "one billion, twenty million, one hundred thirty thousand, two hundred twenty-nine".