1243481057346 has 16 divisors (see below), whose sum is σ = 2713049579808. Its totient is φ = 376812441600.

The previous prime is 1243481057323. The next prime is 1243481057347. The reversal of 1243481057346 is 6437501843421.

It is a super-2 number, since 2×1243481057346² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1243481057295 and 1243481057304.

It is not an unprimeable number, because it can be changed into a prime (1243481057347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9420310975 + ... + 9420311106.

It is an arithmetic number, because the mean of its divisors is an integer number (169565598738).

Almost surely, 2^{1243481057346} is an apocalyptic number.

1243481057346 is an abundant number, since it is smaller than the sum of its proper divisors (1469568522462).

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

1243481057346 is a wasteful number, since it uses less digits than its factorization.

1243481057346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18840622097.

The product of its (nonzero) digits is 1935360, while the sum is 48.

The spelling of 1243481057346 in words is "one trillion, two hundred forty-three billion, four hundred eighty-one million, fifty-seven thousand, three hundred forty-six".