1121622743247 has 8 divisors (see below), whose sum is σ = 1496150912256. Its totient is φ = 747421534872.

The previous prime is 1121622743233. The next prime is 1121622743303. The reversal of 1121622743247 is 7423472261211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1121622743247 - 2²⁰ = 1121621694671 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1121622743199 and 1121622743208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121622743447) 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, 81732153 + ... + 81745874.

It is an arithmetic number, because the mean of its divisors is an integer number (187018864032).

Almost surely, 2^{1121622743247} is an apocalyptic number.

1121622743247 is a deficient number, since it is larger than the sum of its proper divisors (374528169009).

1121622743247 is a wasteful number, since it uses less digits than its factorization.

1121622743247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163480317.

The product of its digits is 225792, while the sum is 42.

The spelling of 1121622743247 in words is "one trillion, one hundred twenty-one billion, six hundred twenty-two million, seven hundred forty-three thousand, two hundred forty-seven".