128240952 has 32 divisors (see below), whose sum is σ = 366403200. Its totient is φ = 36640224.

The previous prime is 128240933. The next prime is 128240993. The reversal of 128240952 is 259042821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 381502 + ... + 381837.

It is an arithmetic number, because the mean of its divisors is an integer number (11450100).

Almost surely, 2^128240952 is an apocalyptic number.

128240952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

128240952 is an abundant number, since it is smaller than the sum of its proper divisors (238162248).

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

128240952 is a wasteful number, since it uses less digits than its factorization.

128240952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763355 (or 763351 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 128240952 is about 11324.3521669012. The cubic root of 128240952 is about 504.2844514218.

The spelling of 128240952 in words is "one hundred twenty-eight million, two hundred forty thousand, nine hundred fifty-two".