130912129 has 4 divisors (see below), whose sum is σ = 131014980. Its totient is φ = 130809280.

The previous prime is 130912127. The next prime is 130912157. The reversal of 130912129 is 921219031.

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 47610000 + 83302129 = 6900^2 + 9127^2 .

It is a cyclic number.

It is not a de Polignac number, because 130912129 - 2¹ = 130912127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130912097 and 130912106.

It is not an unprimeable number, because it can be changed into a prime (130912123) 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, 49492 + ... + 52069.

It is an arithmetic number, because the mean of its divisors is an integer number (32753745).

Almost surely, 2^130912129 is an apocalyptic number.

It is an amenable number.

130912129 is a deficient number, since it is larger than the sum of its proper divisors (102851).

130912129 is a wasteful number, since it uses less digits than its factorization.

130912129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102850.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 130912129 is about 11441.6838358696. The cubic root of 130912129 is about 507.7617264057.

The spelling of 130912129 in words is "one hundred thirty million, nine hundred twelve thousand, one hundred twenty-nine".