1227860468145 has 16 divisors (see below), whose sum is σ = 2182863054720. Its totient is φ = 654858916272.

The previous prime is 1227860468143. The next prime is 1227860468179. The reversal of 1227860468145 is 5418640687221.

1227860468145 is a `hidden beast` number, since 1 + 2 + 27 + 8 + 604 + 6 + 8 + 1 + 4 + 5 = 666.

It is not a de Polignac number, because 1227860468145 - 2¹ = 1227860468143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1227860468091 and 1227860468100.

It is not an unprimeable number, because it can be changed into a prime (1227860468143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4547631229 + ... + 4547631498.

It is an arithmetic number, because the mean of its divisors is an integer number (136428940920).

Almost surely, 2^{1227860468145} is an apocalyptic number.

1227860468145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1227860468145 is a deficient number, since it is larger than the sum of its proper divisors (955002586575).

1227860468145 is an equidigital number, since it uses as much as digits as its factorization.

1227860468145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9095262741 (or 9095262735 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 54.

The spelling of 1227860468145 in words is "one trillion, two hundred twenty-seven billion, eight hundred sixty million, four hundred sixty-eight thousand, one hundred forty-five".