125135340 has 48 divisors (see below), whose sum is σ = 382233600. Its totient is φ = 30335680.

The previous prime is 125135333. The next prime is 125135347. The reversal of 125135340 is 43531521.

It is an interprime number because it is at equal distance from previous prime (125135333) and next prime (125135347).

It is a self number, because there is not a number n which added to its sum of digits gives 125135340.

It is not an unprimeable number, because it can be changed into a prime (125135347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94140 + ... + 95459.

It is an arithmetic number, because the mean of its divisors is an integer number (7963200).

Almost surely, 2^125135340 is an apocalyptic number.

125135340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125135340 is an abundant number, since it is smaller than the sum of its proper divisors (257098260).

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

125135340 is a wasteful number, since it uses less digits than its factorization.

125135340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189622 (or 189620 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 125135340 is about 11186.3908388720. The cubic root of 125135340 is about 500.1803882457.

Adding to 125135340 its reverse (43531521), we get a palindrome (168666861).

The spelling of 125135340 in words is "one hundred twenty-five million, one hundred thirty-five thousand, three hundred forty".