125242522 has 8 divisors (see below), whose sum is σ = 187955316. Its totient is φ = 62590752.

The previous prime is 125242501. The next prime is 125242529. The reversal of 125242522 is 225242521.

It can be written as a sum of positive squares in 2 ways, for example, as 123632161 + 1610361 = 11119^2 + 1269^2 .

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

It is not an unprimeable number, because it can be changed into a prime (125242529) 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, 9723 + ... + 18574.

Almost surely, 2^125242522 is an apocalyptic number.

125242522 is a deficient number, since it is larger than the sum of its proper divisors (62712794).

125242522 is a wasteful number, since it uses less digits than its factorization.

125242522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30512.

The product of its digits is 3200, while the sum is 25.

The square root of 125242522 is about 11191.1805454116. The cubic root of 125242522 is about 500.3231537650.

Subtracting 125242522 from its reverse (225242521), we obtain a palindrome (99999999).

The spelling of 125242522 in words is "one hundred twenty-five million, two hundred forty-two thousand, five hundred twenty-two".