125240240 has 40 divisors (see below), whose sum is σ = 298293408. Its totient is φ = 48872960.

The previous prime is 125240239. The next prime is 125240257. The reversal of 125240240 is 42042521.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 15812 + ... + 22371.

Almost surely, 2^125240240 is an apocalyptic number.

125240240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125240240 is an abundant number, since it is smaller than the sum of its proper divisors (173053168).

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

125240240 is a wasteful number, since it uses less digits than its factorization.

125240240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38237 (or 38231 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 125240240 is about 11191.0785896624. The cubic root of 125240240 is about 500.3201150090.

Adding to 125240240 its reverse (42042521), we get a palindrome (167282761).

The spelling of 125240240 in words is "one hundred twenty-five million, two hundred forty thousand, two hundred forty".