128538119 has 2 divisors, whose sum is σ = 128538120. Its totient is φ = 128538118.

The previous prime is 128538107. The next prime is 128538127. The reversal of 128538119 is 911835821.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 128538119 - 2⁴ = 128538103 is a prime.

It is a super-2 number, since 2×128538119² = 33044096072116322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128538919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64269059 + 64269060.

It is an arithmetic number, because the mean of its divisors is an integer number (64269060).

Almost surely, 2^128538119 is an apocalyptic number.

128538119 is a deficient number, since it is larger than the sum of its proper divisors (1).

128538119 is an equidigital number, since it uses as much as digits as its factorization.

128538119 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 38.

The square root of 128538119 is about 11337.4652810935. The cubic root of 128538119 is about 504.6736695095.

The spelling of 128538119 in words is "one hundred twenty-eight million, five hundred thirty-eight thousand, one hundred nineteen".