128426753 has 8 divisors (see below), whose sum is σ = 158063808. Its totient is φ = 101612304.

The previous prime is 128426747. The next prime is 128426797. The reversal of 128426753 is 357624821.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 128426753 - 2⁸ = 128426497 is a prime.

It is a super-2 number, since 2×128426753² = 32986861772246018, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (128426713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 705551 + ... + 705732.

It is an arithmetic number, because the mean of its divisors is an integer number (19757976).

Almost surely, 2^128426753 is an apocalyptic number.

128426753 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

128426753 is a deficient number, since it is larger than the sum of its proper divisors (29637055).

128426753 is a wasteful number, since it uses less digits than its factorization.

128426753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1411303.

The product of its digits is 80640, while the sum is 38.

The square root of 128426753 is about 11332.5528015536. The cubic root of 128426753 is about 504.5278768897.

The spelling of 128426753 in words is "one hundred twenty-eight million, four hundred twenty-six thousand, seven hundred fifty-three".