125025645 has 8 divisors (see below), whose sum is σ = 200041056. Its totient is φ = 66680336.

The previous prime is 125025629. The next prime is 125025671. The reversal of 125025645 is 546520521.

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 125025645 - 2⁴ = 125025629 is a prime.

It is a super-3 number, since 3×125025645³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4167507 + ... + 4167536.

It is an arithmetic number, because the mean of its divisors is an integer number (25005132).

Almost surely, 2^125025645 is an apocalyptic number.

125025645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125025645 is a deficient number, since it is larger than the sum of its proper divisors (75015411).

125025645 is an equidigital number, since it uses as much as digits as its factorization.

125025645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8335051.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 125025645 is about 11181.4867079472. The cubic root of 125025645 is about 500.0341909952.

The spelling of 125025645 in words is "one hundred twenty-five million, twenty-five thousand, six hundred forty-five".