1122447072044 has 12 divisors (see below), whose sum is σ = 1969846917864. Its totient is φ = 559633666944.

The previous prime is 1122447072029. The next prime is 1122447072073. The reversal of 1122447072044 is 4402707442211.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1122447071989 and 1122447072007.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 397465682 + ... + 397468505.

It is an arithmetic number, because the mean of its divisors is an integer number (164153909822).

Almost surely, 2^{1122447072044} is an apocalyptic number.

It is an amenable number.

1122447072044 is a deficient number, since it is larger than the sum of its proper divisors (847399845820).

1122447072044 is a wasteful number, since it uses less digits than its factorization.

1122447072044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794934544 (or 794934542 counting only the distinct ones).

The product of its (nonzero) digits is 100352, while the sum is 38.

The spelling of 1122447072044 in words is "one trillion, one hundred twenty-two billion, four hundred forty-seven million, seventy-two thousand, forty-four".