128503374 has 32 divisors (see below), whose sum is σ = 274557600. Its totient is φ = 39954432.

The previous prime is 128503367. The next prime is 128503381. The reversal of 128503374 is 473305821.

It is an interprime number because it is at equal distance from previous prime (128503367) and next prime (128503381).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5952 + ... + 17100.

It is an arithmetic number, because the mean of its divisors is an integer number (8579925).

Almost surely, 2^128503374 is an apocalyptic number.

128503374 is an abundant number, since it is smaller than the sum of its proper divisors (146054226).

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

128503374 is a wasteful number, since it uses less digits than its factorization.

128503374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11284.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 128503374 is about 11335.9328685380. The cubic root of 128503374 is about 504.6281928137.

The spelling of 128503374 in words is "one hundred twenty-eight million, five hundred three thousand, three hundred seventy-four".