128695092 has 12 divisors (see below), whose sum is σ = 300288576. Its totient is φ = 42898360.

The previous prime is 128695081. The next prime is 128695103. The reversal of 128695092 is 290596821.

It is an interprime number because it is at equal distance from previous prime (128695081) and next prime (128695103).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5362284 + ... + 5362307.

It is an arithmetic number, because the mean of its divisors is an integer number (25024048).

Almost surely, 2^128695092 is an apocalyptic number.

128695092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

128695092 is an abundant number, since it is smaller than the sum of its proper divisors (171593484).

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

128695092 is a wasteful number, since it uses less digits than its factorization.

128695092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10724598 (or 10724596 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 128695092 is about 11344.3859243240. The cubic root of 128695092 is about 504.8790247096.

The spelling of 128695092 in words is "one hundred twenty-eight million, six hundred ninety-five thousand, ninety-two".