125898161730 has 64 divisors (see below), whose sum is σ = 329666070528. Its totient is φ = 30516896960.

The previous prime is 125898161729. The next prime is 125898161731. The reversal of 125898161730 is 37161898521.

It is an interprime number because it is at equal distance from previous prime (125898161729) and next prime (125898161731).

It is not an unprimeable number, because it can be changed into a prime (125898161731) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3255367 + ... + 3293813.

It is an arithmetic number, because the mean of its divisors is an integer number (5151032352).

Almost surely, 2^125898161730 is an apocalyptic number.

125898161730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125898161730 is an abundant number, since it is smaller than the sum of its proper divisors (203767908798).

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

125898161730 is a wasteful number, since it uses less digits than its factorization.

125898161730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48391.

The product of its (nonzero) digits is 725760, while the sum is 51.

The spelling of 125898161730 in words is "one hundred twenty-five billion, eight hundred ninety-eight million, one hundred sixty-one thousand, seven hundred thirty".