1121738255 has 16 divisors (see below), whose sum is σ = 1515829248. Its totient is φ = 789492000.

The previous prime is 1121738239. The next prime is 1121738257. The reversal of 1121738255 is 5528371211.

It is not a de Polignac number, because 1121738255 - 2⁴ = 1121738239 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 (1121738257) 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, 327251 + ... + 330660.

It is an arithmetic number, because the mean of its divisors is an integer number (94739328).

Almost surely, 2^1121738255 is an apocalyptic number.

1121738255 is a deficient number, since it is larger than the sum of its proper divisors (394090993).

1121738255 is a wasteful number, since it uses less digits than its factorization.

1121738255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657958.

The product of its digits is 16800, while the sum is 35.

The square root of 1121738255 is about 33492.3611439982. The cubic root of 1121738255 is about 1039.0357973600.

The spelling of 1121738255 in words is "one billion, one hundred twenty-one million, seven hundred thirty-eight thousand, two hundred fifty-five".