125846609 has 8 divisors (see below), whose sum is σ = 143978880. Its totient is φ = 107752896.

The previous prime is 125846603. The next prime is 125846621. The reversal of 125846609 is 906648521.

It is a happy number.

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 125846609 - 2⁸ = 125846353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125846603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2264 + ... + 16025.

It is an arithmetic number, because the mean of its divisors is an integer number (17997360).

Almost surely, 2^125846609 is an apocalyptic number.

It is an amenable number.

125846609 is a deficient number, since it is larger than the sum of its proper divisors (18132271).

125846609 is an equidigital number, since it uses as much as digits as its factorization.

125846609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19279.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 125846609 is about 11218.1375013859. The cubic root of 125846609 is about 501.1262731129.

The spelling of 125846609 in words is "one hundred twenty-five million, eight hundred forty-six thousand, six hundred nine".