125288565 has 32 divisors (see below), whose sum is σ = 214617600. Its totient is φ = 62222400.

The previous prime is 125288563. The next prime is 125288573. The reversal of 125288565 is 565882521.

It is not a de Polignac number, because 125288565 - 2¹ = 125288563 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125288563) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13090 + ... + 20540.

It is an arithmetic number, because the mean of its divisors is an integer number (6706800).

Almost surely, 2^125288565 is an apocalyptic number.

125288565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125288565 is a deficient number, since it is larger than the sum of its proper divisors (89329035).

125288565 is a wasteful number, since it uses less digits than its factorization.

125288565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7537.

The product of its digits is 192000, while the sum is 42.

The square root of 125288565 is about 11193.2374673282. The cubic root of 125288565 is about 500.3844576422.

The spelling of 125288565 in words is "one hundred twenty-five million, two hundred eighty-eight thousand, five hundred sixty-five".