125904345 has 16 divisors (see below), whose sum is σ = 230225280. Its totient is φ = 57556224.

The previous prime is 125904343. The next prime is 125904347. The reversal of 125904345 is 543409521.

It is an interprime number because it is at equal distance from previous prime (125904343) and next prime (125904347).

It is not a de Polignac number, because 125904345 - 2¹ = 125904343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125904343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 599440 + ... + 599649.

It is an arithmetic number, because the mean of its divisors is an integer number (14389080).

Almost surely, 2^125904345 is an apocalyptic number.

125904345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125904345 is a deficient number, since it is larger than the sum of its proper divisors (104320935).

125904345 is a wasteful number, since it uses less digits than its factorization.

125904345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1199104.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 125904345 is about 11220.7105389989. The cubic root of 125904345 is about 501.2028970898.

The spelling of 125904345 in words is "one hundred twenty-five million, nine hundred four thousand, three hundred forty-five".