125532245 has 16 divisors (see below), whose sum is σ = 152221680. Its totient is φ = 99377664.

The previous prime is 125532217. The next prime is 125532263. The reversal of 125532245 is 542235521.

It can be written as a sum of positive squares in 8 ways, for example, as 34023889 + 91508356 = 5833^2 + 9566^2 .

It is a cyclic number.

It is not a de Polignac number, because 125532245 - 2¹⁰ = 125531221 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, 322511 + ... + 322899.

It is an arithmetic number, because the mean of its divisors is an integer number (9513855).

Almost surely, 2^125532245 is an apocalyptic number.

It is an amenable number.

125532245 is a deficient number, since it is larger than the sum of its proper divisors (26689435).

125532245 is a wasteful number, since it uses less digits than its factorization.

125532245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904.

The product of its digits is 12000, while the sum is 29.

The square root of 125532245 is about 11204.1173235557. The cubic root of 125532245 is about 500.7086551413.

Adding to 125532245 its reverse (542235521), we get a palindrome (667767766).

The spelling of 125532245 in words is "one hundred twenty-five million, five hundred thirty-two thousand, two hundred forty-five".