1121530412 has 6 divisors (see below), whose sum is σ = 1962678228. Its totient is φ = 560765204.

The previous prime is 1121530391. The next prime is 1121530483. The reversal of 1121530412 is 2140351211.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 140191298 + ... + 140191305.

It is an arithmetic number, because the mean of its divisors is an integer number (327113038).

Almost surely, 2^1121530412 is an apocalyptic number.

It is an amenable number.

1121530412 is a deficient number, since it is larger than the sum of its proper divisors (841147816).

1121530412 is a wasteful number, since it uses less digits than its factorization.

1121530412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280382607 (or 280382605 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1121530412 is about 33489.2581584006. The cubic root of 1121530412 is about 1038.9716202802.

Adding to 1121530412 its reverse (2140351211), we get a palindrome (3261881623).

The spelling of 1121530412 in words is "one billion, one hundred twenty-one million, five hundred thirty thousand, four hundred twelve".