125040540 has 24 divisors (see below), whose sum is σ = 350113680. Its totient is φ = 33344128.

The previous prime is 125040527. The next prime is 125040541. The reversal of 125040540 is 45040521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125040541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1041945 + ... + 1042064.

It is an arithmetic number, because the mean of its divisors is an integer number (14588070).

Almost surely, 2^125040540 is an apocalyptic number.

125040540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125040540 is an abundant number, since it is smaller than the sum of its proper divisors (225073140).

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

125040540 is a wasteful number, since it uses less digits than its factorization.

125040540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2084021 (or 2084019 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 125040540 is about 11182.1527444406. The cubic root of 125040540 is about 500.0540474909.

The spelling of 125040540 in words is "one hundred twenty-five million, forty thousand, five hundred forty".