125789863 has 4 divisors (see below), whose sum is σ = 125843320. Its totient is φ = 125736408.

The previous prime is 125789831. The next prime is 125789879. The reversal of 125789863 is 368987521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 368987521 = 7 ⋅52712503.

It is a cyclic number.

It is not a de Polignac number, because 125789863 - 2⁵ = 125789831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125789803) 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 in 3 ways as a sum of consecutive naturals, for example, 23028 + ... + 27961.

It is an arithmetic number, because the mean of its divisors is an integer number (31460830).

Almost surely, 2^125789863 is an apocalyptic number.

125789863 is a deficient number, since it is larger than the sum of its proper divisors (53457).

125789863 is an equidigital number, since it uses as much as digits as its factorization.

125789863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53456.

The product of its digits is 725760, while the sum is 49.

The square root of 125789863 is about 11215.6080084853. The cubic root of 125789863 is about 501.0509401685.

It can be divided in two parts, 12 and 5789863, that added together give a palindrome (5789875).

The spelling of 125789863 in words is "one hundred twenty-five million, seven hundred eighty-nine thousand, eight hundred sixty-three".