125353505 has 8 divisors (see below), whose sum is σ = 150484392. Its totient is φ = 100242688.

The previous prime is 125353453. The next prime is 125353567. The reversal of 125353505 is 505353521.

It can be written as a sum of positive squares in 4 ways, for example, as 12229009 + 113124496 = 3497^2 + 10636^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125353505 is a prime.

It is a Duffinian number.

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, 21017 + ... + 26313.

It is an arithmetic number, because the mean of its divisors is an integer number (18810549).

Almost surely, 2^125353505 is an apocalyptic number.

It is an amenable number.

125353505 is a deficient number, since it is larger than the sum of its proper divisors (25130887).

125353505 is an equidigital number, since it uses as much as digits as its factorization.

125353505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10035.

The product of its (nonzero) digits is 11250, while the sum is 29.

The square root of 125353505 is about 11196.1379502041. The cubic root of 125353505 is about 500.4708963740.

The spelling of 125353505 in words is "one hundred twenty-five million, three hundred fifty-three thousand, five hundred five".