128413461 has 16 divisors (see below), whose sum is σ = 197771328. Its totient is φ = 73248000.

The previous prime is 128413451. The next prime is 128413463. The reversal of 128413461 is 164314821.

It is not a de Polignac number, because 128413461 - 2⁵ = 128413429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128413463) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 113890 + ... + 115011.

It is an arithmetic number, because the mean of its divisors is an integer number (12360708).

Almost surely, 2^128413461 is an apocalyptic number.

128413461 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

128413461 is a deficient number, since it is larger than the sum of its proper divisors (69357867).

128413461 is a wasteful number, since it uses less digits than its factorization.

128413461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228932.

The product of its digits is 4608, while the sum is 30.

The square root of 128413461 is about 11331.9663342246. The cubic root of 128413461 is about 504.5104702986.

The spelling of 128413461 in words is "one hundred twenty-eight million, four hundred thirteen thousand, four hundred sixty-one".