1123773261 has 32 divisors (see below), whose sum is σ = 1691504640. Its totient is φ = 658451904.

The previous prime is 1123773251. The next prime is 1123773263. The reversal of 1123773261 is 1623773211.

It is not a de Polignac number, because 1123773261 - 2⁶ = 1123773197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123773263) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 200860 + ... + 206378.

It is an arithmetic number, because the mean of its divisors is an integer number (52859520).

Almost surely, 2^1123773261 is an apocalyptic number.

It is an amenable number.

1123773261 is a deficient number, since it is larger than the sum of its proper divisors (567731379).

1123773261 is a wasteful number, since it uses less digits than its factorization.

1123773261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5785.

The product of its digits is 10584, while the sum is 33.

The square root of 1123773261 is about 33522.7275292450. The cubic root of 1123773261 is about 1039.6637414510.

The spelling of 1123773261 in words is "one billion, one hundred twenty-three million, seven hundred seventy-three thousand, two hundred sixty-one".