125142605 has 8 divisors (see below), whose sum is σ = 171624192. Its totient is φ = 85812048.

The previous prime is 125142601. The next prime is 125142653. The reversal of 125142605 is 506241521.

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

It is not a de Polignac number, because 125142605 - 2² = 125142601 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125142601) 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, 1787717 + ... + 1787786.

It is an arithmetic number, because the mean of its divisors is an integer number (21453024).

Almost surely, 2^125142605 is an apocalyptic number.

It is an amenable number.

125142605 is a deficient number, since it is larger than the sum of its proper divisors (46481587).

125142605 is an equidigital number, since it uses as much as digits as its factorization.

125142605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3575515.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 125142605 is about 11186.7155590906. The cubic root of 125142605 is about 500.1900677394.

The spelling of 125142605 in words is "one hundred twenty-five million, one hundred forty-two thousand, six hundred five".