128706053 has 4 divisors (see below), whose sum is σ = 147092640. Its totient is φ = 110319468.

The previous prime is 128706043. The next prime is 128706073. The reversal of 128706053 is 350607821.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 350607821 = 2687 ⋅130483.

It is not a de Polignac number, because 128706053 - 2⁶ = 128705989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128706013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9193283 + ... + 9193296.

It is an arithmetic number, because the mean of its divisors is an integer number (36773160).

Almost surely, 2^128706053 is an apocalyptic number.

It is an amenable number.

128706053 is a deficient number, since it is larger than the sum of its proper divisors (18386587).

128706053 is an equidigital number, since it uses as much as digits as its factorization.

128706053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18386586.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 128706053 is about 11344.8690164321. The cubic root of 128706053 is about 504.8933578692.

The spelling of 128706053 in words is "one hundred twenty-eight million, seven hundred six thousand, fifty-three".