1123101309 has 12 divisors (see below), whose sum is σ = 1645978208. Its totient is φ = 680667240.

The previous prime is 1123101281. The next prime is 1123101313. The reversal of 1123101309 is 9031013211.

1123101309 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1123101309 - 2⁸ = 1123101053 is a prime.

It is a super-2 number, since 2×1123101309² = 2522713100555026962, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123108309) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1546609 + ... + 1547334.

Almost surely, 2^1123101309 is an apocalyptic number.

It is an amenable number.

1123101309 is a deficient number, since it is larger than the sum of its proper divisors (522876899).

1123101309 is a wasteful number, since it uses less digits than its factorization.

1123101309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3093968 (or 3093957 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 21.

The square root of 1123101309 is about 33512.7036957629. The cubic root of 1123101309 is about 1039.4564803594.

The spelling of 1123101309 in words is "one billion, one hundred twenty-three million, one hundred one thousand, three hundred nine".