125001426 has 32 divisors (see below), whose sum is σ = 282139200. Its totient is φ = 36572480.

The previous prime is 125001421. The next prime is 125001427. The reversal of 125001426 is 624100521.

It is not an unprimeable number, because it can be changed into a prime (125001421) 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 15 ways as a sum of consecutive naturals, for example, 30741 + ... + 34568.

It is an arithmetic number, because the mean of its divisors is an integer number (8816850).

Almost surely, 2^125001426 is an apocalyptic number.

125001426 is an abundant number, since it is smaller than the sum of its proper divisors (157137774).

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

125001426 is a wasteful number, since it uses less digits than its factorization.

125001426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65354.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 125001426 is about 11180.4036599758. The cubic root of 125001426 is about 500.0019013261.

Adding to 125001426 its reverse (624100521), we get a palindrome (749101947).

The spelling of 125001426 in words is "one hundred twenty-five million, one thousand, four hundred twenty-six".