1121244404313 has 16 divisors (see below), whose sum is σ = 1630928284416. Its totient is φ = 679530674640.

The previous prime is 1121244404279. The next prime is 1121244404359. The reversal of 1121244404313 is 3134044421211.

It is a happy number.

It is not a de Polignac number, because 1121244404313 - 2⁸ = 1121244404057 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1121244404393) 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, 1984006 + ... + 2485712.

It is an arithmetic number, because the mean of its divisors is an integer number (101933017776).

Almost surely, 2^{1121244404313} is an apocalyptic number.

It is an amenable number.

1121244404313 is a deficient number, since it is larger than the sum of its proper divisors (509683880103).

1121244404313 is a wasteful number, since it uses less digits than its factorization.

1121244404313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569444.

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 1121244404313 its reverse (3134044421211), we get a palindrome (4255288825524).

The spelling of 1121244404313 in words is "one trillion, one hundred twenty-one billion, two hundred forty-four million, four hundred four thousand, three hundred thirteen".