124245090225 has 108 divisors (see below), whose sum is σ = 235518379356. Its totient is φ = 62602087680.

The previous prime is 124245090209. The next prime is 124245090289. The reversal of 124245090225 is 522090542421.

124245090225 is a `hidden beast` number, since 1 + 2 + 424 + 5 + 0 + 9 + 0 + 225 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 10109900304 + 114135189921 = 100548^2 + 337839^2 .

It is not a de Polignac number, because 124245090225 - 2⁴ = 124245090209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 124245090225.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 32244399 + ... + 32248251.

Almost surely, 2^124245090225 is an apocalyptic number.

124245090225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

124245090225 is a deficient number, since it is larger than the sum of its proper divisors (111273289131).

124245090225 is a wasteful number, since it uses less digits than its factorization.

124245090225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4304 (or 4277 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 124245090225 in words is "one hundred twenty-four billion, two hundred forty-five million, ninety thousand, two hundred twenty-five".