506129901 has 8 divisors (see below), whose sum is σ = 696609024. Its totient is φ = 326535360.

The previous prime is 506129879. The next prime is 506129941. The reversal of 506129901 is 109921605.

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

It is not a de Polignac number, because 506129901 - 2⁷ = 506129773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506129941) 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, 2721036 + ... + 2721221.

It is an arithmetic number, because the mean of its divisors is an integer number (87076128).

Almost surely, 2^506129901 is an apocalyptic number.

It is an amenable number.

506129901 is a deficient number, since it is larger than the sum of its proper divisors (190479123).

506129901 is a wasteful number, since it uses less digits than its factorization.

506129901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5442291.

The product of its (nonzero) digits is 4860, while the sum is 33.

The square root of 506129901 is about 22497.3309750290. The cubic root of 506129901 is about 796.9308975906.

The spelling of 506129901 in words is "five hundred six million, one hundred twenty-nine thousand, nine hundred one".