1121000530 has 16 divisors (see below), whose sum is σ = 2173016664. Its totient is φ = 413907840.

The previous prime is 1121000527. The next prime is 1121000533. The reversal of 1121000530 is 350001211.

It is an interprime number because it is at equal distance from previous prime (1121000527) and next prime (1121000533).

It can be written as a sum of positive squares in 4 ways, for example, as 587529121 + 533471409 = 24239^2 + 23097^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 1121000530.

It is not an unprimeable number, because it can be changed into a prime (1121000533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4311411 + ... + 4311670.

Almost surely, 2^1121000530 is an apocalyptic number.

1121000530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121000530 is a deficient number, since it is larger than the sum of its proper divisors (1052016134).

1121000530 is a wasteful number, since it uses less digits than its factorization.

1121000530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8623101.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 1121000530 is about 33481.3460004224. The cubic root of 1121000530 is about 1038.8079691718.

Adding to 1121000530 its reverse (350001211), we get a palindrome (1471001741).

The spelling of 1121000530 in words is "one billion, one hundred twenty-one million, five hundred thirty", and thus it is an aban number.