1227235968 has 192 divisors, whose sum is σ = 4213987200. Its totient is φ = 350590464.

The previous prime is 1227235957. The next prime is 1227235969. The reversal of 1227235968 is 8695327221.

1227235968 is a `hidden beast` number, since 12 + 27 + 23 + 596 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a super-2 number, since 2×1227235968² = 3012216242305794048, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1227235969) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 165721 + ... + 172967.

It is an arithmetic number, because the mean of its divisors is an integer number (21947850).

Almost surely, 2^1227235968 is an apocalyptic number.

1227235968 is a gapful number since it is divisible by the number (18) 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 1227235968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2106993600).

1227235968 is an abundant number, since it is smaller than the sum of its proper divisors (2986751232).

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

1227235968 is an equidigital number, since it uses as much as digits as its factorization.

1227235968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7284 (or 7259 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 1227235968 is about 35031.9278373315. The cubic root of 1227235968 is about 1070.6380937912.

The spelling of 1227235968 in words is "one billion, two hundred twenty-seven million, two hundred thirty-five thousand, nine hundred sixty-eight".