1227164794 has 8 divisors (see below), whose sum is σ = 1862925120. Its totient is φ = 606189756.

The previous prime is 1227164789. The next prime is 1227164801. The reversal of 1227164794 is 4974617221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1227164794.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 3696114 + ... + 3696445.

It is an arithmetic number, because the mean of its divisors is an integer number (232865640).

Almost surely, 2^1227164794 is an apocalyptic number.

1227164794 is a deficient number, since it is larger than the sum of its proper divisors (635760326).

1227164794 is an equidigital number, since it uses as much as digits as its factorization.

1227164794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7392644.

The product of its digits is 169344, while the sum is 43.

The square root of 1227164794 is about 35030.9119778518. The cubic root of 1227164794 is about 1070.6173960415.

The spelling of 1227164794 in words is "one billion, two hundred twenty-seven million, one hundred sixty-four thousand, seven hundred ninety-four".