125807029 has 8 divisors (see below), whose sum is σ = 127261728. Its totient is φ = 124360080.

The previous prime is 125807023. The next prime is 125807051. The reversal of 125807029 is 920708521.

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 125807029 - 2⁵ = 125806997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125806985 and 125807003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125807023) 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, 34554 + ... + 38020.

It is an arithmetic number, because the mean of its divisors is an integer number (15907716).

Almost surely, 2^125807029 is an apocalyptic number.

It is an amenable number.

125807029 is a deficient number, since it is larger than the sum of its proper divisors (1454699).

125807029 is a wasteful number, since it uses less digits than its factorization.

125807029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3875.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 125807029 is about 11216.3732552015. The cubic root of 125807029 is about 501.0737312187.

The spelling of 125807029 in words is "one hundred twenty-five million, eight hundred seven thousand, twenty-nine".