128525350 has 12 divisors (see below), whose sum is σ = 239057244. Its totient is φ = 51410120.

The previous prime is 128525281. The next prime is 128525351. The reversal of 128525350 is 53525821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128525351) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1285204 + ... + 1285303.

It is an arithmetic number, because the mean of its divisors is an integer number (19921437).

Almost surely, 2^128525350 is an apocalyptic number.

128525350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128525350 is a deficient number, since it is larger than the sum of its proper divisors (110531894).

128525350 is a wasteful number, since it uses less digits than its factorization.

128525350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2570519 (or 2570514 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 128525350 is about 11336.9021341811. The cubic root of 128525350 is about 504.6569574982.

The spelling of 128525350 in words is "one hundred twenty-eight million, five hundred twenty-five thousand, three hundred fifty".