125205355 has 12 divisors (see below), whose sum is σ = 165147696. Its totient is φ = 91058000.

The previous prime is 125205343. The next prime is 125205359. The reversal of 125205355 is 553502521.

It is a de Polignac number, because none of the positive numbers 2^k-125205355 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125205359) 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 11 ways as a sum of consecutive naturals, for example, 102871 + ... + 104080.

It is an arithmetic number, because the mean of its divisors is an integer number (13762308).

Almost surely, 2^125205355 is an apocalyptic number.

125205355 is a deficient number, since it is larger than the sum of its proper divisors (39942341).

125205355 is a wasteful number, since it uses less digits than its factorization.

125205355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206978 (or 206967 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 125205355 is about 11189.5198735245. The cubic root of 125205355 is about 500.2736568632.

Adding to 125205355 its reverse (553502521), we get a palindrome (678707876).

The spelling of 125205355 in words is "one hundred twenty-five million, two hundred five thousand, three hundred fifty-five".