125126500026 has 96 divisors (see below), whose sum is σ = 288519517440. Its totient is φ = 36107026560.

The previous prime is 125126500003. The next prime is 125126500049. The reversal of 125126500026 is 620005621521.

It is an interprime number because it is at equal distance from previous prime (125126500003) and next prime (125126500049).

It is a junction number, because it is equal to n+sod(n) for n = 125126499966 and 125126500002.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1212960 + ... + 1312068.

It is an arithmetic number, because the mean of its divisors is an integer number (3005411640).

Almost surely, 2^125126500026 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125126500026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144259758720).

125126500026 is an abundant number, since it is smaller than the sum of its proper divisors (163393017414).

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

125126500026 is a wasteful number, since it uses less digits than its factorization.

125126500026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99220 (or 99209 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The spelling of 125126500026 in words is "one hundred twenty-five billion, one hundred twenty-six million, five hundred thousand, twenty-six".