125870810146 has 16 divisors (see below), whose sum is σ = 190805300280. Its totient is φ = 62269401600.

The previous prime is 125870810089. The next prime is 125870810159. The reversal of 125870810146 is 641018078521.

It can be written as a sum of positive squares in 4 ways, for example, as 81789708121 + 44081102025 = 285989^2 + 209955^2 .

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 7 ways as a sum of consecutive naturals, for example, 630340 + ... + 805648.

Almost surely, 2^125870810146 is an apocalyptic number.

125870810146 is a deficient number, since it is larger than the sum of its proper divisors (64934490134).

125870810146 is a wasteful number, since it uses less digits than its factorization.

125870810146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179109.

The product of its (nonzero) digits is 107520, while the sum is 43.

Adding to 125870810146 its reverse (641018078521), we get a palindrome (766888888667).

The spelling of 125870810146 in words is "one hundred twenty-five billion, eight hundred seventy million, eight hundred ten thousand, one hundred forty-six".