125040550 has 24 divisors (see below), whose sum is σ = 235197000. Its totient is φ = 49452480.

The previous prime is 125040541. The next prime is 125040563. The reversal of 125040550 is 55040521.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 9600 + ... + 18499.

It is an arithmetic number, because the mean of its divisors is an integer number (9799875).

Almost surely, 2^125040550 is an apocalyptic number.

125040550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125040550 is a deficient number, since it is larger than the sum of its proper divisors (110156450).

125040550 is a wasteful number, since it uses less digits than its factorization.

125040550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28200 (or 28195 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 125040550 is about 11182.1531915817. The cubic root of 125040550 is about 500.0540608213.

The spelling of 125040550 in words is "one hundred twenty-five million, forty thousand, five hundred fifty".