125434140 has 48 divisors (see below), whose sum is σ = 378234528. Its totient is φ = 30875904.

The previous prime is 125434123. The next prime is 125434159. The reversal of 125434140 is 41434521.

It is a self number, because there is not a number n which added to its sum of digits gives 125434140.

It is a congruent number.

It is an unprimeable number.

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, 79627 + ... + 81186.

It is an arithmetic number, because the mean of its divisors is an integer number (7879886).

Almost surely, 2^125434140 is an apocalyptic number.

125434140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125434140 is an abundant number, since it is smaller than the sum of its proper divisors (252800388).

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

125434140 is a wasteful number, since it uses less digits than its factorization.

125434140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160838 (or 160836 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 125434140 is about 11199.7383898018. The cubic root of 125434140 is about 500.5781844810.

Adding to 125434140 its reverse (41434521), we get a palindrome (166868661).

The spelling of 125434140 in words is "one hundred twenty-five million, four hundred thirty-four thousand, one hundred forty".