1227168040 has 64 divisors (see below), whose sum is σ = 3158812800. Its totient is φ = 420311808.

The previous prime is 1227168037. The next prime is 1227168043. The reversal of 1227168040 is 408617221.

It is an interprime number because it is at equal distance from previous prime (1227168037) and next prime (1227168043).

It is a junction number, because it is equal to n+sod(n) for n = 1227167993 and 1227168011.

It is not an unprimeable number, because it can be changed into a prime (1227168043) 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 15 ways as a sum of consecutive naturals, for example, 398587 + ... + 401653.

It is an arithmetic number, because the mean of its divisors is an integer number (49356450).

Almost surely, 2^1227168040 is an apocalyptic number.

1227168040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1227168040 is an abundant number, since it is smaller than the sum of its proper divisors (1931644760).

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

1227168040 is a wasteful number, since it uses less digits than its factorization.

1227168040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4514 (or 4510 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 1227168040 is about 35030.9583083306. The cubic root of 1227168040 is about 1070.6183400117.

The spelling of 1227168040 in words is "one billion, two hundred twenty-seven million, one hundred sixty-eight thousand, forty".