1121738717 has 4 divisors (see below), whose sum is σ = 1223714976. Its totient is φ = 1019762460.

The previous prime is 1121738677. The next prime is 1121738719. The reversal of 1121738717 is 7178371211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1121738717 - 2⁸ = 1121738461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121738719) by changing a digit.

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, 50988113 + ... + 50988134.

It is an arithmetic number, because the mean of its divisors is an integer number (305928744).

Almost surely, 2^1121738717 is an apocalyptic number.

It is an amenable number.

1121738717 is a deficient number, since it is larger than the sum of its proper divisors (101976259).

1121738717 is a wasteful number, since it uses less digits than its factorization.

1121738717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101976258.

The product of its digits is 16464, while the sum is 38.

The square root of 1121738717 is about 33492.3680410926. The cubic root of 1121738717 is about 1039.0359400060.

The spelling of 1121738717 in words is "one billion, one hundred twenty-one million, seven hundred thirty-eight thousand, seven hundred seventeen".