1226744154361 has 12 divisors (see below), whose sum is σ = 1350328369572. Its totient is φ = 1113630980000.

The previous prime is 1226744154359. The next prime is 1226744154403. The reversal of 1226744154361 is 1634514476221.

It can be written as a sum of positive squares in 2 ways, for example, as 446117126400 + 780627027961 = 667920^2 + 883531^2 .

It is not a de Polignac number, because 1226744154361 - 2¹ = 1226744154359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1226744154061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7146550 + ... + 7316191.

It is an arithmetic number, because the mean of its divisors is an integer number (112527364131).

Almost surely, 2^{1226744154361} is an apocalyptic number.

1226744154361 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1226744154361 is a deficient number, since it is larger than the sum of its proper divisors (123584215211).

1226744154361 is a wasteful number, since it uses less digits than its factorization.

1226744154361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14463464 (or 14463453 counting only the distinct ones).

The product of its digits is 967680, while the sum is 46.

The spelling of 1226744154361 in words is "one trillion, two hundred twenty-six billion, seven hundred forty-four million, one hundred fifty-four thousand, three hundred sixty-one".