125265135 has 8 divisors (see below), whose sum is σ = 200424240. Its totient is φ = 66808064.

The previous prime is 125265131. The next prime is 125265137. The reversal of 125265135 is 531562521.

It is a happy number.

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 125265135 - 2² = 125265131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125265131) by changing a digit.

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, 4175490 + ... + 4175519.

It is an arithmetic number, because the mean of its divisors is an integer number (25053030).

Almost surely, 2^125265135 is an apocalyptic number.

125265135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

125265135 is a deficient number, since it is larger than the sum of its proper divisors (75159105).

125265135 is an equidigital number, since it uses as much as digits as its factorization.

125265135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8351017.

The product of its digits is 9000, while the sum is 30.

The square root of 125265135 is about 11192.1908043064. The cubic root of 125265135 is about 500.3532636841.

The spelling of 125265135 in words is "one hundred twenty-five million, two hundred sixty-five thousand, one hundred thirty-five".