125042010245 has 4 divisors (see below), whose sum is σ = 150050412300. Its totient is φ = 100033608192.

The previous prime is 125042010229. The next prime is 125042010251. The reversal of 125042010245 is 542010240521.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34483747204 + 90558263041 = 185698^2 + 300929^2 .

It is a cyclic number.

It is not a de Polignac number, because 125042010245 - 2⁴ = 125042010229 is a prime.

It is a super-2 number, since 2×125042010245² (a number of 23 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 12504201020 + ... + 12504201029.

It is an arithmetic number, because the mean of its divisors is an integer number (37512603075).

Almost surely, 2^125042010245 is an apocalyptic number.

It is an amenable number.

125042010245 is a deficient number, since it is larger than the sum of its proper divisors (25008402055).

125042010245 is an equidigital number, since it uses as much as digits as its factorization.

125042010245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25008402054.

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

Adding to 125042010245 its reverse (542010240521), we get a palindrome (667052250766).

The spelling of 125042010245 in words is "one hundred twenty-five billion, forty-two million, ten thousand, two hundred forty-five".