1121327235247 has 4 divisors (see below), whose sum is σ = 1121712706440. Its totient is φ = 1120941764056.

The previous prime is 1121327235239. The next prime is 1121327235253. The reversal of 1121327235247 is 7425327231211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1121327235247 - 2³ = 1121327235239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121327235227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192731233 + ... + 192737050.

It is an arithmetic number, because the mean of its divisors is an integer number (280428176610).

Almost surely, 2^{1121327235247} is an apocalyptic number.

1121327235247 is a deficient number, since it is larger than the sum of its proper divisors (385471193).

1121327235247 is an equidigital number, since it uses as much as digits as its factorization.

1121327235247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385471192.

The product of its digits is 141120, while the sum is 40.

The spelling of 1121327235247 in words is "one trillion, one hundred twenty-one billion, three hundred twenty-seven million, two hundred thirty-five thousand, two hundred forty-seven".