1131103892 has 6 divisors (see below), whose sum is σ = 1979431818. Its totient is φ = 565551944.

The previous prime is 1131103889. The next prime is 1131103903. The reversal of 1131103892 is 2983011311.

It can be written as a sum of positive squares in only one way, i.e., 880071556 + 251032336 = 29666^2 + 15844^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141387983 + ... + 141387990.

It is an arithmetic number, because the mean of its divisors is an integer number (329905303).

Almost surely, 2^1131103892 is an apocalyptic number.

It is an amenable number.

1131103892 is a deficient number, since it is larger than the sum of its proper divisors (848327926).

1131103892 is a wasteful number, since it uses less digits than its factorization.

1131103892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282775977 (or 282775975 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 1131103892 is about 33631.8880231247. Note that the first 3 decimals coincide. The cubic root of 1131103892 is about 1041.9194986948.

The spelling of 1131103892 in words is "one billion, one hundred thirty-one million, one hundred three thousand, eight hundred ninety-two".