130021129 has 8 divisors (see below), whose sum is σ = 151757568. Its totient is φ = 109075200.

The previous prime is 130021109. The next prime is 130021153. The reversal of 130021129 is 921120031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 130021129 - 2⁵ = 130021097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130021109) 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 7 ways as a sum of consecutive naturals, for example, 197272 + ... + 197929.

It is an arithmetic number, because the mean of its divisors is an integer number (18969696).

Almost surely, 2^130021129 is an apocalyptic number.

It is an amenable number.

130021129 is a deficient number, since it is larger than the sum of its proper divisors (21736439).

130021129 is an equidigital number, since it uses as much as digits as its factorization.

130021129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395255.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 130021129 is about 11402.6807812900. The cubic root of 130021129 is about 506.6071453529.

The spelling of 130021129 in words is "one hundred thirty million, twenty-one thousand, one hundred twenty-nine".