1227954804 has 12 divisors (see below), whose sum is σ = 2865227904. Its totient is φ = 409318264.

The previous prime is 1227954803. The next prime is 1227954811. The reversal of 1227954804 is 4084597221.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1227954803) by changing a digit.

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, 51164772 + ... + 51164795.

It is an arithmetic number, because the mean of its divisors is an integer number (238768992).

Almost surely, 2^1227954804 is an apocalyptic number.

It is an amenable number.

1227954804 is an abundant number, since it is smaller than the sum of its proper divisors (1637273100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1227954804 is a wasteful number, since it uses less digits than its factorization.

1227954804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102329574 (or 102329572 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 1227954804 is about 35042.1860619454. The cubic root of 1227954804 is about 1070.8470899991.

The spelling of 1227954804 in words is "one billion, two hundred twenty-seven million, nine hundred fifty-four thousand, eight hundred four".