1131021124 has 6 divisors (see below), whose sum is σ = 1979286974. Its totient is φ = 565510560.

The previous prime is 1131021097. The next prime is 1131021139. The reversal of 1131021124 is 4211201311.

It can be written as a sum of positive squares in only one way, i.e., 1117698624 + 13322500 = 33432^2 + 3650^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1131021098 and 1131021107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141377637 + ... + 141377644.

Almost surely, 2^1131021124 is an apocalyptic number.

It is an amenable number.

1131021124 is a deficient number, since it is larger than the sum of its proper divisors (848265850).

1131021124 is a wasteful number, since it uses less digits than its factorization.

1131021124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282755285 (or 282755283 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1131021124 is about 33630.6575017498. The cubic root of 1131021124 is about 1041.8940840837.

Adding to 1131021124 its reverse (4211201311), we get a palindrome (5342222435).

The spelling of 1131021124 in words is "one billion, one hundred thirty-one million, twenty-one thousand, one hundred twenty-four".