1121102530 has 16 divisors (see below), whose sum is σ = 2051067384. Its totient is φ = 441089280.

The previous prime is 1121102513. The next prime is 1121102539. The reversal of 1121102530 is 352011211.

1121102530 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 666517489 + 454585041 = 25817^2 + 21321^2 .

It is not an unprimeable number, because it can be changed into a prime (1121102539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 918327 + ... + 919546.

Almost surely, 2^1121102530 is an apocalyptic number.

1121102530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121102530 is a deficient number, since it is larger than the sum of its proper divisors (929964854).

1121102530 is a wasteful number, since it uses less digits than its factorization.

1121102530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1837941.

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

The square root of 1121102530 is about 33482.8692020263. The cubic root of 1121102530 is about 1038.8394753120.

Adding to 1121102530 its reverse (352011211), we get a palindrome (1473113741).

The spelling of 1121102530 in words is "one billion, one hundred twenty-one million, one hundred two thousand, five hundred thirty".