426128751 has 24 divisors (see below), whose sum is σ = 676091520. Its totient is φ = 257430096.

The previous prime is 426128711. The next prime is 426128771. The reversal of 426128751 is 157821624.

It is not a de Polignac number, because 426128751 - 2¹⁵ = 426095983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426128701) 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 23 ways as a sum of consecutive naturals, for example, 50241 + ... + 58106.

It is an arithmetic number, because the mean of its divisors is an integer number (28170480).

Almost surely, 2^426128751 is an apocalyptic number.

426128751 is a deficient number, since it is larger than the sum of its proper divisors (249962769).

426128751 is a wasteful number, since it uses less digits than its factorization.

426128751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108395 (or 108392 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 426128751 is about 20642.8862080863. The cubic root of 426128751 is about 752.5123162923.

The spelling of 426128751 in words is "four hundred twenty-six million, one hundred twenty-eight thousand, seven hundred fifty-one".