125784211236 has 48 divisors (see below), whose sum is σ = 310304789760. Its totient is φ = 39546329760.

The previous prime is 125784211207. The next prime is 125784211261. The reversal of 125784211236 is 632112487521.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1163410 + ... + 1266921.

It is an arithmetic number, because the mean of its divisors is an integer number (6464683120).

Almost surely, 2^125784211236 is an apocalyptic number.

It is an amenable number.

125784211236 is an abundant number, since it is smaller than the sum of its proper divisors (184520578524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125784211236 is a wasteful number, since it uses less digits than its factorization.

125784211236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2430584 (or 2430582 counting only the distinct ones).

The product of its digits is 161280, while the sum is 42.

Adding to 125784211236 its reverse (632112487521), we get a palindrome (757896698757).

The spelling of 125784211236 in words is "one hundred twenty-five billion, seven hundred eighty-four million, two hundred eleven thousand, two hundred thirty-six".