125100747123 has 16 divisors (see below), whose sum is σ = 182032272000. Its totient is φ = 75790489280.

The previous prime is 125100747103. The next prime is 125100747157. The reversal of 125100747123 is 321747001521.

It is not a de Polignac number, because 125100747123 - 2¹⁴ = 125100730739 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (125100747103) 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 15 ways as a sum of consecutive naturals, for example, 613218 + ... + 791351.

It is an arithmetic number, because the mean of its divisors is an integer number (11377017000).

Almost surely, 2^125100747123 is an apocalyptic number.

125100747123 is a deficient number, since it is larger than the sum of its proper divisors (56931524877).

125100747123 is a wasteful number, since it uses less digits than its factorization.

125100747123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1407282.

The product of its (nonzero) digits is 11760, while the sum is 33.

Adding to 125100747123 its reverse (321747001521), we get a palindrome (446847748644).

The spelling of 125100747123 in words is "one hundred twenty-five billion, one hundred million, seven hundred forty-seven thousand, one hundred twenty-three".