125503122 has 8 divisors (see below), whose sum is σ = 251006256. Its totient is φ = 41834372.

The previous prime is 125503121. The next prime is 125503141. The reversal of 125503122 is 221305521.

It is a sphenic number, since it is the product of 3 distinct primes.

125503122 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (125503121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10458588 + ... + 10458599.

It is an arithmetic number, because the mean of its divisors is an integer number (31375782).

Almost surely, 2^125503122 is an apocalyptic number.

125503122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

125503122 is a wasteful number, since it uses less digits than its factorization.

125503122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20917192.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 125503122 is about 11202.8175920168. The cubic root of 125503122 is about 500.6699313165.

Adding to 125503122 its reverse (221305521), we get a palindrome (346808643).

The spelling of 125503122 in words is "one hundred twenty-five million, five hundred three thousand, one hundred twenty-two".