1121013533 has 8 divisors (see below), whose sum is σ = 1138153536. Its totient is φ = 1103911200.

The previous prime is 1121013529. The next prime is 1121013563. The reversal of 1121013533 is 3353101211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1121013533 - 2² = 1121013529 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121013503) 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, 53753 + ... + 71633.

It is an arithmetic number, because the mean of its divisors is an integer number (142269192).

Almost surely, 2^1121013533 is an apocalyptic number.

It is an amenable number.

1121013533 is a deficient number, since it is larger than the sum of its proper divisors (17140003).

1121013533 is an equidigital number, since it uses as much as digits as its factorization.

1121013533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18835.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 1121013533 is about 33481.5401826141. The cubic root of 1121013533 is about 1038.8119856932.

Adding to 1121013533 its reverse (3353101211), we get a palindrome (4474114744).

The spelling of 1121013533 in words is "one billion, one hundred twenty-one million, thirteen thousand, five hundred thirty-three".