125001522 has 16 divisors (see below), whose sum is σ = 277781280. Its totient is φ = 41667156.

The previous prime is 125001511. The next prime is 125001523. The reversal of 125001522 is 225100521.

125001522 is a `hidden beast` number, since 12 + 500 + 152 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 125001495 and 125001504.

It is not an unprimeable number, because it can be changed into a prime (125001523) 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, 1157368 + ... + 1157475.

It is an arithmetic number, because the mean of its divisors is an integer number (17361330).

Almost surely, 2^125001522 is an apocalyptic number.

125001522 is an abundant number, since it is smaller than the sum of its proper divisors (152779758).

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

125001522 is a wasteful number, since it uses less digits than its factorization.

125001522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2314854 (or 2314848 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 125001522 is about 11180.4079532010. The cubic root of 125001522 is about 500.0020293251.

The spelling of 125001522 in words is "one hundred twenty-five million, one thousand, five hundred twenty-two".