425687126 has 4 divisors (see below), whose sum is σ = 638530692. Its totient is φ = 212843562.

The previous prime is 425687111. The next prime is 425687147. The reversal of 425687126 is 621786524.

It is a semiprime because it is the product of two primes.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 106421780 + ... + 106421783.

It is an arithmetic number, because the mean of its divisors is an integer number (159632673).

Almost surely, 2^425687126 is an apocalyptic number.

425687126 is a deficient number, since it is larger than the sum of its proper divisors (212843566).

425687126 is a wasteful number, since it uses less digits than its factorization.

425687126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212843565.

The product of its digits is 161280, while the sum is 41.

The square root of 425687126 is about 20632.1866509587. The cubic root of 425687126 is about 752.2522672489.

It can be divided in two parts, 42568 and 7126, that added together give a palindrome (49694).

The spelling of 425687126 in words is "four hundred twenty-five million, six hundred eighty-seven thousand, one hundred twenty-six".