128424760 has 32 divisors (see below), whose sum is σ = 298922400. Its totient is φ = 49598080.

The previous prime is 128424733. The next prime is 128424763. The reversal of 128424760 is 67424821.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128424763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54196 + ... + 56515.

It is an arithmetic number, because the mean of its divisors is an integer number (9341325).

Almost surely, 2^128424760 is an apocalyptic number.

128424760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

128424760 is an abundant number, since it is smaller than the sum of its proper divisors (170497640).

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

128424760 is a wasteful number, since it uses less digits than its factorization.

128424760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110751 (or 110747 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 128424760 is about 11332.4648686859. The cubic root of 128424760 is about 504.5252670252.

The spelling of 128424760 in words is "one hundred twenty-eight million, four hundred twenty-four thousand, seven hundred sixty".