1227740616 has 48 divisors (see below), whose sum is σ = 3432399360. Its totient is φ = 396044640.

The previous prime is 1227740603. The next prime is 1227740639. The reversal of 1227740616 is 6160477221.

1227740616 is a `hidden beast` number, since 12 + 27 + 7 + 4 + 0 + 616 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 272800 + ... + 277263.

It is an arithmetic number, because the mean of its divisors is an integer number (71508320).

Almost surely, 2^1227740616 is an apocalyptic number.

It is an amenable number.

1227740616 is an abundant number, since it is smaller than the sum of its proper divisors (2204658744).

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

1227740616 is a wasteful number, since it uses less digits than its factorization.

1227740616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550106 (or 550099 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 1227740616 is about 35039.1297837147. The cubic root of 1227740616 is about 1070.7848249676.

The spelling of 1227740616 in words is "one billion, two hundred twenty-seven million, seven hundred forty thousand, six hundred sixteen".