125345140 has 12 divisors (see below), whose sum is σ = 263224836. Its totient is φ = 50138048.

The previous prime is 125345119. The next prime is 125345149. The reversal of 125345140 is 41543521.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 29030544 + 96314596 = 5388^2 + 9814^2 .

It is a super-2 number, since 2×125345140² = 31422808243239200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125345149) 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, 3133609 + ... + 3133648.

It is an arithmetic number, because the mean of its divisors is an integer number (21935403).

Almost surely, 2^125345140 is an apocalyptic number.

125345140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125345140 is an abundant number, since it is smaller than the sum of its proper divisors (137879696).

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

125345140 is a wasteful number, since it uses less digits than its factorization.

125345140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6267266 (or 6267264 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 125345140 is about 11195.7643776564. The cubic root of 125345140 is about 500.4597637716.

Adding to 125345140 its reverse (41543521), we get a palindrome (166888661).

The spelling of 125345140 in words is "one hundred twenty-five million, three hundred forty-five thousand, one hundred forty".