128229037 has 2 divisors, whose sum is σ = 128229038. Its totient is φ = 128229036.

The previous prime is 128229001. The next prime is 128229047. The reversal of 128229037 is 730922821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108701476 + 19527561 = 10426^2 + 4419^2 .

It is a cyclic number.

It is not a de Polignac number, because 128229037 - 2¹⁹ = 127704749 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 128228993 and 128229011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128229047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64114518 + 64114519.

It is an arithmetic number, because the mean of its divisors is an integer number (64114519).

Almost surely, 2^128229037 is an apocalyptic number.

It is an amenable number.

128229037 is a deficient number, since it is larger than the sum of its proper divisors (1).

128229037 is an equidigital number, since it uses as much as digits as its factorization.

128229037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 128229037 is about 11323.8260760222. The cubic root of 128229037 is about 504.2688330741.

The spelling of 128229037 in words is "one hundred twenty-eight million, two hundred twenty-nine thousand, thirty-seven".