125524240 has 20 divisors (see below), whose sum is σ = 291844044. Its totient is φ = 50209664.

The previous prime is 125524229. The next prime is 125524249. The reversal of 125524240 is 42425521.

It can be written as a sum of positive squares in 2 ways, for example, as 24561936 + 100962304 = 4956^2 + 10048^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (125524249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 784447 + ... + 784606.

Almost surely, 2^125524240 is an apocalyptic number.

125524240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125524240 is an abundant number, since it is smaller than the sum of its proper divisors (166319804).

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

125524240 is a wasteful number, since it uses less digits than its factorization.

125524240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1569066 (or 1569060 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 125524240 is about 11203.7600831150. The cubic root of 125524240 is about 500.6980117724.

Adding to 125524240 its reverse (42425521), we get a palindrome (167949761).

The spelling of 125524240 in words is "one hundred twenty-five million, five hundred twenty-four thousand, two hundred forty".