1227394260 has 144 divisors (see below), whose sum is σ = 3905450640. Its totient is φ = 311592960.

The previous prime is 1227394211. The next prime is 1227394277. The reversal of 1227394260 is 624937221.

1227394260 is a `hidden beast` number, since 1 + 2 + 2 + 7 + 394 + 260 = 666.

1227394260 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 17189316 + 1210204944 = 4146^2 + 34788^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 379450 + ... + 382670.

It is an arithmetic number, because the mean of its divisors is an integer number (27121185).

Almost surely, 2^1227394260 is an apocalyptic number.

1227394260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1227394260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1952725320).

1227394260 is an abundant number, since it is smaller than the sum of its proper divisors (2678056380).

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

1227394260 is a wasteful number, since it uses less digits than its factorization.

1227394260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3338 (or 3333 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 1227394260 is about 35034.1870178259. The cubic root of 1227394260 is about 1070.6841230156.

The spelling of 1227394260 in words is "one billion, two hundred twenty-seven million, three hundred ninety-four thousand, two hundred sixty".