125445329 has 16 divisors (see below), whose sum is σ = 140026320. Its totient is φ = 111820800.

The previous prime is 125445323. The next prime is 125445343. The reversal of 125445329 is 923544521.

It can be written as a sum of positive squares in 8 ways, for example, as 11916304 + 113529025 = 3452^2 + 10655^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125445329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125445323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23729 + ... + 28529.

It is an arithmetic number, because the mean of its divisors is an integer number (8751645).

Almost surely, 2^125445329 is an apocalyptic number.

It is an amenable number.

125445329 is a deficient number, since it is larger than the sum of its proper divisors (14580991).

125445329 is a wasteful number, since it uses less digits than its factorization.

125445329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4900.

The product of its digits is 43200, while the sum is 35.

The square root of 125445329 is about 11200.2378992591. The cubic root of 125445329 is about 500.5930682619.

It can be divided in two parts, 12544 and 5329, that multiplied together give a square (66846976 = 8176²).

The spelling of 125445329 in words is "one hundred twenty-five million, four hundred forty-five thousand, three hundred twenty-nine".