125247763246 has 4 divisors (see below), whose sum is σ = 187871644872. Its totient is φ = 62623881622.

The previous prime is 125247763243. The next prime is 125247763253. The reversal of 125247763246 is 642367742521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 642367742521 = 651097 ⋅986593.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 125247763246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125247763243) by changing a digit.

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 as a sum of consecutive naturals, namely, 31311940810 + ... + 31311940813.

It is an arithmetic number, because the mean of its divisors is an integer number (46967911218).

Almost surely, 2^125247763246 is an apocalyptic number.

125247763246 is a deficient number, since it is larger than the sum of its proper divisors (62623881626).

125247763246 is an equidigital number, since it uses as much as digits as its factorization.

125247763246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62623881625.

The product of its digits is 3386880, while the sum is 49.

The spelling of 125247763246 in words is "one hundred twenty-five billion, two hundred forty-seven million, seven hundred sixty-three thousand, two hundred forty-six".