1109121126 has 32 divisors (see below), whose sum is σ = 2242753920. Its totient is φ = 365633856.

The previous prime is 1109121119. The next prime is 1109121133. The reversal of 1109121126 is 6211219011.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1109121119) and next prime (1109121133).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1109121096 and 1109121105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 529890 + ... + 531978.

It is an arithmetic number, because the mean of its divisors is an integer number (70086060).

Almost surely, 2^1109121126 is an apocalyptic number.

1109121126 is an abundant number, since it is smaller than the sum of its proper divisors (1133632794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1109121126 is a wasteful number, since it uses less digits than its factorization.

1109121126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3028.

The product of its (nonzero) digits is 216, while the sum is 24.

The square root of 1109121126 is about 33303.4701795474. The cubic root of 1109121126 is about 1035.1254644982.

The spelling of 1109121126 in words is "one billion, one hundred nine million, one hundred twenty-one thousand, one hundred twenty-six".