125620353 has 6 divisors (see below), whose sum is σ = 181451634. Its totient is φ = 83746896.

The previous prime is 125620337. The next prime is 125620357. The reversal of 125620353 is 353026521.

125620353 is a `hidden beast` number, since 1 + 2 + 5 + 620 + 35 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 125619264 + 1089 = 11208^2 + 33^2 .

It is not a de Polignac number, because 125620353 - 2⁴ = 125620337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125620357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6978900 + ... + 6978917.

It is an arithmetic number, because the mean of its divisors is an integer number (30241939).

Almost surely, 2^125620353 is an apocalyptic number.

It is an amenable number.

125620353 is a deficient number, since it is larger than the sum of its proper divisors (55831281).

125620353 is a wasteful number, since it uses less digits than its factorization.

125620353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13957823 (or 13957820 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 125620353 is about 11208.0485812652. The cubic root of 125620353 is about 500.8257727812.

Adding to 125620353 its reverse (353026521), we get a palindrome (478646874).

It can be divided in two parts, 1256 and 20353, that added together give a square (21609 = 147²).

The spelling of 125620353 in words is "one hundred twenty-five million, six hundred twenty thousand, three hundred fifty-three".