125220562 has 8 divisors (see below), whose sum is σ = 188062092. Its totient is φ = 62533200.

The previous prime is 125220559. The next prime is 125220577. The reversal of 125220562 is 265022521.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 123454321 + 1766241 = 11111^2 + 1329^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 36489 + ... + 39772.

Almost surely, 2^125220562 is an apocalyptic number.

125220562 is a deficient number, since it is larger than the sum of its proper divisors (62841530).

125220562 is an equidigital number, since it uses as much as digits as its factorization.

125220562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77084.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 125220562 is about 11190.1993726654. The cubic root of 125220562 is about 500.2939098668.

The spelling of 125220562 in words is "one hundred twenty-five million, two hundred twenty thousand, five hundred sixty-two".