1121738707 has 4 divisors (see below), whose sum is σ = 1145605536. Its totient is φ = 1097871880.

The previous prime is 1121738677. The next prime is 1121738719. The reversal of 1121738707 is 7078371211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7078371211 = 14011 ⋅505201.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121738707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121738797) 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, 11933344 + ... + 11933437.

It is an arithmetic number, because the mean of its divisors is an integer number (286401384).

Almost surely, 2^1121738707 is an apocalyptic number.

1121738707 is a deficient number, since it is larger than the sum of its proper divisors (23866829).

1121738707 is an equidigital number, since it uses as much as digits as its factorization.

1121738707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23866828.

The product of its (nonzero) digits is 16464, while the sum is 37.

The square root of 1121738707 is about 33492.3678918048. The cubic root of 1121738707 is about 1039.0359369185.

The spelling of 1121738707 in words is "one billion, one hundred twenty-one million, seven hundred thirty-eight thousand, seven hundred seven".