125695840 has 48 divisors (see below), whose sum is σ = 297939600. Its totient is φ = 50112000.

The previous prime is 125695753. The next prime is 125695859. The reversal of 125695840 is 48596521.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 125695793 and 125695802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54715 + ... + 56965.

It is an arithmetic number, because the mean of its divisors is an integer number (6207075).

Almost surely, 2^125695840 is an apocalyptic number.

125695840 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 125695840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148969800).

125695840 is an abundant number, since it is smaller than the sum of its proper divisors (172243760).

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

125695840 is a wasteful number, since it uses less digits than its factorization.

125695840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2615 (or 2607 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 125695840 is about 11211.4156108852. The cubic root of 125695840 is about 500.9260703950.

The spelling of 125695840 in words is "one hundred twenty-five million, six hundred ninety-five thousand, eight hundred forty".