125400140 has 96 divisors (see below), whose sum is σ = 288731520. Its totient is φ = 45619200.

The previous prime is 125400047. The next prime is 125400151. The reversal of 125400140 is 41004521.

It is a super-2 number, since 2×125400140² = 31450390224039200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1150406 + ... + 1150514.

It is an arithmetic number, because the mean of its divisors is an integer number (3007620).

Almost surely, 2^125400140 is an apocalyptic number.

125400140 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 125400140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144365760).

125400140 is an abundant number, since it is smaller than the sum of its proper divisors (163331380).

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

125400140 is a wasteful number, since it uses less digits than its factorization.

125400140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243 (or 241 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 125400140 is about 11198.2203943305. The cubic root of 125400140 is about 500.5329517231.

Adding to 125400140 its reverse (41004521), we get a palindrome (166404661).

The spelling of 125400140 in words is "one hundred twenty-five million, four hundred thousand, one hundred forty".