1121052130 has 32 divisors (see below), whose sum is σ = 2277253440. Its totient is φ = 393597120.

The previous prime is 1121052109. The next prime is 1121052137. The reversal of 1121052130 is 312501211.

It is not an unprimeable number, because it can be changed into a prime (1121052137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172524 + ... + 178903.

It is an arithmetic number, because the mean of its divisors is an integer number (71164170).

Almost surely, 2^1121052130 is an apocalyptic number.

1121052130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121052130 is an abundant number, since it is smaller than the sum of its proper divisors (1156201310).

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

1121052130 is a wasteful number, since it uses less digits than its factorization.

1121052130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351474.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 1121052130 is about 33482.1165698944. The cubic root of 1121052130 is about 1038.8239078110.

Adding to 1121052130 its reverse (312501211), we get a palindrome (1433553341).

The spelling of 1121052130 in words is "one billion, one hundred twenty-one million, fifty-two thousand, one hundred thirty".