128370833 has 2 divisors, whose sum is σ = 128370834. Its totient is φ = 128370832.

The previous prime is 128370799. The next prime is 128370839. The reversal of 128370833 is 338073821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112105744 + 16265089 = 10588^2 + 4033^2 .

It is a cyclic number.

It is not a de Polignac number, because 128370833 - 2¹⁰ = 128369809 is a prime.

It is a super-2 number, since 2×128370833² = 32958141530227778, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 128370793 and 128370802.

It is not a weakly prime, because it can be changed into another prime (128370839) by changing a digit.

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 as a sum of consecutive naturals, namely, 64185416 + 64185417.

It is an arithmetic number, because the mean of its divisors is an integer number (64185417).

Almost surely, 2^128370833 is an apocalyptic number.

It is an amenable number.

128370833 is a deficient number, since it is larger than the sum of its proper divisors (1).

128370833 is an equidigital number, since it uses as much as digits as its factorization.

128370833 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 128370833 is about 11330.0853041802. The cubic root of 128370833 is about 504.4546385285.

The spelling of 128370833 in words is "one hundred twenty-eight million, three hundred seventy thousand, eight hundred thirty-three".