1226734798401 has 144 divisors (see below), whose sum is σ = 2217255877440. Its totient is φ = 668207232000.

The previous prime is 1226734798379. The next prime is 1226734798423. The reversal of 1226734798401 is 1048974376221.

1226734798401 is a `hidden beast` number, since 1 + 2 + 26 + 73 + 479 + 84 + 0 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (1226734798379) and next prime (1226734798423).

It is not a de Polignac number, because 1226734798401 - 2⁵ = 1226734798369 is a prime.

It is a super-2 number, since 2×1226734798401² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1226734798451) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 85176801 + ... + 85191201.

It is an arithmetic number, because the mean of its divisors is an integer number (15397610260).

Almost surely, 2^{1226734798401} is an apocalyptic number.

It is an amenable number.

1226734798401 is a deficient number, since it is larger than the sum of its proper divisors (990521079039).

1226734798401 is a wasteful number, since it uses less digits than its factorization.

1226734798401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14553 (or 14509 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 54.

The spelling of 1226734798401 in words is "one trillion, two hundred twenty-six billion, seven hundred thirty-four million, seven hundred ninety-eight thousand, four hundred one".