1228034879 has 2 divisors, whose sum is σ = 1228034880. Its totient is φ = 1228034878.

The previous prime is 1228034869. The next prime is 1228034947. The reversal of 1228034879 is 9784308221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1228034879 - 2⁸ = 1228034623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1228034849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 614017439 + 614017440.

It is an arithmetic number, because the mean of its divisors is an integer number (614017440).

Almost surely, 2^1228034879 is an apocalyptic number.

1228034879 is a deficient number, since it is larger than the sum of its proper divisors (1).

1228034879 is an equidigital number, since it uses as much as digits as its factorization.

1228034879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 1228034879 is about 35043.3285947554. The cubic root of 1228034879 is about 1070.8703661589.

The spelling of 1228034879 in words is "one billion, two hundred twenty-eight million, thirty-four thousand, eight hundred seventy-nine".