1228456179 has 16 divisors (see below), whose sum is σ = 1820496000. Its totient is φ = 818718408.

The previous prime is 1228456171. The next prime is 1228456213. The reversal of 1228456179 is 9716548221.

1228456179 is a `hidden beast` number, since 1 + 2 + 2 + 84 + 561 + 7 + 9 = 666.

It is not a de Polignac number, because 1228456179 - 2³ = 1228456171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1228456171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133212 + ... + 142134.

It is an arithmetic number, because the mean of its divisors is an integer number (113781000).

Almost surely, 2^1228456179 is an apocalyptic number.

1228456179 is a deficient number, since it is larger than the sum of its proper divisors (592039821).

1228456179 is an equidigital number, since it uses as much as digits as its factorization.

1228456179 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14031 (or 14025 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 1228456179 is about 35049.3392091777. The cubic root of 1228456179 is about 1070.9928127632.

The spelling of 1228456179 in words is "one billion, two hundred twenty-eight million, four hundred fifty-six thousand, one hundred seventy-nine".