125241245 has 16 divisors (see below), whose sum is σ = 152766000. Its totient is φ = 98554368.

The previous prime is 125241203. The next prime is 125241251. The reversal of 125241245 is 542142521.

It can be written as a sum of positive squares in 8 ways, for example, as 15452761 + 109788484 = 3931^2 + 10478^2 .

It is a cyclic number.

It is not a de Polignac number, because 125241245 - 2²⁰ = 124192669 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101291 + ... + 102519.

It is an arithmetic number, because the mean of its divisors is an integer number (9547875).

Almost surely, 2^125241245 is an apocalyptic number.

It is an amenable number.

125241245 is a deficient number, since it is larger than the sum of its proper divisors (27524755).

125241245 is a wasteful number, since it uses less digits than its factorization.

125241245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1552.

The product of its digits is 3200, while the sum is 26.

The square root of 125241245 is about 11191.1234914105. The cubic root of 125241245 is about 500.3214532913.

Adding to 125241245 its reverse (542142521), we get a palindrome (667383766).

The spelling of 125241245 in words is "one hundred twenty-five million, two hundred forty-one thousand, two hundred forty-five".