125020550 has 24 divisors (see below), whose sum is σ = 246218616. Its totient is φ = 47066240.

The previous prime is 125020547. The next prime is 125020559. The reversal of 125020550 is 55020521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125020559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72692 + ... + 74391.

It is an arithmetic number, because the mean of its divisors is an integer number (10259109).

Almost surely, 2^125020550 is an apocalyptic number.

125020550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125020550 is a deficient number, since it is larger than the sum of its proper divisors (121198066).

125020550 is a wasteful number, since it uses less digits than its factorization.

125020550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147112 (or 147107 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 125020550 is about 11181.2588736689. The cubic root of 125020550 is about 500.0273984986.

The spelling of 125020550 in words is "one hundred twenty-five million, twenty thousand, five hundred fifty".