906125729 has 4 divisors (see below), whose sum is σ = 907112640. Its totient is φ = 905138820.

The previous prime is 906125699. The next prime is 906125743. The reversal of 906125729 is 927521609.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 906125729 - 2²⁴ = 889348513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (906121729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 492077 + ... + 493914.

It is an arithmetic number, because the mean of its divisors is an integer number (226778160).

Almost surely, 2^906125729 is an apocalyptic number.

It is an amenable number.

906125729 is a deficient number, since it is larger than the sum of its proper divisors (986911).

906125729 is an equidigital number, since it uses as much as digits as its factorization.

906125729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986910.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 906125729 is about 30101.9223472522. The cubic root of 906125729 is about 967.6749247822.

The spelling of 906125729 in words is "nine hundred six million, one hundred twenty-five thousand, seven hundred twenty-nine".