128060615 has 8 divisors (see below), whose sum is σ = 155778288. Its totient is φ = 101044800.

The previous prime is 128060599. The next prime is 128060623. The reversal of 128060615 is 516060821.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 128060615 - 2⁴ = 128060599 is a prime.

It is a super-2 number, since 2×128060615² = 32799042228356450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175061 + ... + 175790.

It is an arithmetic number, because the mean of its divisors is an integer number (19472286).

Almost surely, 2^128060615 is an apocalyptic number.

128060615 is a deficient number, since it is larger than the sum of its proper divisors (27717673).

128060615 is an equidigital number, since it uses as much as digits as its factorization.

128060615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350929.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 128060615 is about 11316.3870117631. The cubic root of 128060615 is about 504.0479596064.

The spelling of 128060615 in words is "one hundred twenty-eight million, sixty thousand, six hundred fifteen".