125240502245 has 8 divisors (see below), whose sum is σ = 150290511480. Its totient is φ = 100191129280.

The previous prime is 125240502151. The next prime is 125240502263. The reversal of 125240502245 is 542205042521.

It can be written as a sum of positive squares in 4 ways, for example, as 51613478596 + 73627023649 = 227186^2 + 271343^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 125240502245 - 2²⁸ = 124972066789 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 628211 + ... + 803199.

It is an arithmetic number, because the mean of its divisors is an integer number (18786313935).

Almost surely, 2^125240502245 is an apocalyptic number.

It is an amenable number.

125240502245 is a deficient number, since it is larger than the sum of its proper divisors (25050009235).

125240502245 is a wasteful number, since it uses less digits than its factorization.

125240502245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318135.

The product of its (nonzero) digits is 32000, while the sum is 32.

Adding to 125240502245 its reverse (542205042521), we get a palindrome (667445544766).

The spelling of 125240502245 in words is "one hundred twenty-five billion, two hundred forty million, five hundred two thousand, two hundred forty-five".