125065457347 has 4 divisors (see below), whose sum is σ = 125066331936. Its totient is φ = 125064582760.

The previous prime is 125065457311. The next prime is 125065457357. The reversal of 125065457347 is 743754560521.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 743754560521 = 7 ⋅106250651503.

It is a cyclic number.

It is not a de Polignac number, because 125065457347 - 2¹¹ = 125065455299 is a prime.

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 Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125065457347.

It is not an unprimeable number, because it can be changed into a prime (125065457357) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 167179 + ... + 527332.

It is an arithmetic number, because the mean of its divisors is an integer number (31266582984).

Almost surely, 2^125065457347 is an apocalyptic number.

125065457347 is a deficient number, since it is larger than the sum of its proper divisors (874589).

125065457347 is an equidigital number, since it uses as much as digits as its factorization.

125065457347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874588.

The product of its (nonzero) digits is 3528000, while the sum is 49.

The spelling of 125065457347 in words is "one hundred twenty-five billion, sixty-five million, four hundred fifty-seven thousand, three hundred forty-seven".