125543065 has 8 divisors (see below), whose sum is σ = 150796800. Its totient is φ = 100337712.

The previous prime is 125543057. The next prime is 125543111. The reversal of 125543065 is 560345521.

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 125543065 - 2³ = 125543057 is a prime.

It is a super-2 number, since 2×125543065² = 31522122339188450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6115 + ... + 16984.

It is an arithmetic number, because the mean of its divisors is an integer number (18849600).

Almost surely, 2^125543065 is an apocalyptic number.

It is an amenable number.

125543065 is a deficient number, since it is larger than the sum of its proper divisors (25253735).

125543065 is a wasteful number, since it uses less digits than its factorization.

125543065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24191.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 125543065 is about 11204.6001713582. The cubic root of 125543065 is about 500.7230405873.

Adding to 125543065 its reverse (560345521), we get a palindrome (685888586).

The spelling of 125543065 in words is "one hundred twenty-five million, five hundred forty-three thousand, sixty-five".