125422520 has 32 divisors (see below), whose sum is σ = 283083120. Its totient is φ = 50012160.

The previous prime is 125422471. The next prime is 125422523. The reversal of 125422520 is 25224521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125422523) 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 7 ways as a sum of consecutive naturals, for example, 8504 + ... + 17976.

Almost surely, 2^125422520 is an apocalyptic number.

125422520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125422520 is an abundant number, since it is smaller than the sum of its proper divisors (157660600).

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

125422520 is a wasteful number, since it uses less digits than its factorization.

125422520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9815 (or 9811 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 125422520 is about 11199.2196156697. The cubic root of 125422520 is about 500.5627264403.

The spelling of 125422520 in words is "one hundred twenty-five million, four hundred twenty-two thousand, five hundred twenty".