125430240 has 96 divisors (see below), whose sum is σ = 425519136. Its totient is φ = 30873600.

The previous prime is 125430209. The next prime is 125430241. The reversal of 125430240 is 42034521.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125430241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3811 + ... + 16290.

It is an arithmetic number, because the mean of its divisors is an integer number (4432491).

Almost surely, 2^125430240 is an apocalyptic number.

125430240 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 125430240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212759568).

125430240 is an abundant number, since it is smaller than the sum of its proper divisors (300088896).

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

125430240 is a wasteful number, since it uses less digits than its factorization.

125430240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20132 (or 20124 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 125430240 is about 11199.5642772386. The cubic root of 125430240 is about 500.5729964327.

Adding to 125430240 its reverse (42034521), we get a palindrome (167464761).

The spelling of 125430240 in words is "one hundred twenty-five million, four hundred thirty thousand, two hundred forty".