125420167740 has 576 divisors, whose sum is σ = 441445939200. Its totient is φ = 26447855616.

The previous prime is 125420167709. The next prime is 125420167781. The reversal of 125420167740 is 47761024521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 428055034 + ... + 428055326.

It is an arithmetic number, because the mean of its divisors is an integer number (766399200).

Almost surely, 2^125420167740 is an apocalyptic number.

125420167740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125420167740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220722969600).

125420167740 is an abundant number, since it is smaller than the sum of its proper divisors (316025771460).

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

125420167740 is a wasteful number, since it uses less digits than its factorization.

125420167740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514 (or 505 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 39.

The spelling of 125420167740 in words is "one hundred twenty-five billion, four hundred twenty million, one hundred sixty-seven thousand, seven hundred forty".