1228076371 has 2 divisors, whose sum is σ = 1228076372. Its totient is φ = 1228076370.

The previous prime is 1228076363. The next prime is 1228076401. The reversal of 1228076371 is 1736708221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1228076371 - 2³ = 1228076363 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1228076371.

It is not a weakly prime, because it can be changed into another prime (1228076341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 614038185 + 614038186.

It is an arithmetic number, because the mean of its divisors is an integer number (614038186).

Almost surely, 2^1228076371 is an apocalyptic number.

1228076371 is a deficient number, since it is larger than the sum of its proper divisors (1).

1228076371 is an equidigital number, since it uses as much as digits as its factorization.

1228076371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 1228076371 is about 35043.9205997274. The cubic root of 1228076371 is about 1070.8824266342.

The spelling of 1228076371 in words is "one billion, two hundred twenty-eight million, seventy-six thousand, three hundred seventy-one".