1227942080 has 28 divisors (see below), whose sum is σ = 2924037840. Its totient is φ = 491176704.

The previous prime is 1227942077. The next prime is 1227942151. The reversal of 1227942080 is 802497221.

It is a super-3 number, since 3×1227942080³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1227942080.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1918340 + ... + 1918979.

Almost surely, 2^1227942080 is an apocalyptic number.

1227942080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1227942080 is an abundant number, since it is smaller than the sum of its proper divisors (1696095760).

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

1227942080 is an equidigital number, since it uses as much as digits as its factorization.

1227942080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3837336 (or 3837326 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 1227942080 is about 35042.0045088748. The cubic root of 1227942080 is about 1070.8433913001.

The spelling of 1227942080 in words is "one billion, two hundred twenty-seven million, nine hundred forty-two thousand, eighty".