1227445296 has 360 divisors, whose sum is σ = 4286600640. Its totient is φ = 300706560.

The previous prime is 1227445291. The next prime is 1227445309. The reversal of 1227445296 is 6925447221.

It is a happy number.

It is a super-3 number, since 3×1227445296³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (1227445291) by changing a digit.

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 71 ways as a sum of consecutive naturals, for example, 5407135 + ... + 5407361.

It is an arithmetic number, because the mean of its divisors is an integer number (11907224).

Almost surely, 2^1227445296 is an apocalyptic number.

1227445296 is a gapful number since it is divisible by the number (16) 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 1227445296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2143300320).

1227445296 is an abundant number, since it is smaller than the sum of its proper divisors (3059155344).

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

1227445296 is a wasteful number, since it uses less digits than its factorization.

1227445296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293 (or 269 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The square root of 1227445296 is about 35034.9153845132. The cubic root of 1227445296 is about 1070.6989627672.

The spelling of 1227445296 in words is "one billion, two hundred twenty-seven million, four hundred forty-five thousand, two hundred ninety-six".