125704145 has 8 divisors (see below), whose sum is σ = 172394304. Its totient is φ = 86197104.

The previous prime is 125704109. The next prime is 125704153. The reversal of 125704145 is 541407521.

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

It is not a de Polignac number, because 125704145 - 2¹⁴ = 125687761 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1795739 + ... + 1795808.

It is an arithmetic number, because the mean of its divisors is an integer number (21549288).

Almost surely, 2^125704145 is an apocalyptic number.

It is an amenable number.

125704145 is a deficient number, since it is larger than the sum of its proper divisors (46690159).

125704145 is an equidigital number, since it uses as much as digits as its factorization.

125704145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3591559.

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 125704145 is about 11211.7859861844. The cubic root of 125704145 is about 500.9371025803.

The spelling of 125704145 in words is "one hundred twenty-five million, seven hundred four thousand, one hundred forty-five".