1121320035 has 48 divisors (see below), whose sum is σ = 2212524288. Its totient is φ = 520027200.

The previous prime is 1121320027. The next prime is 1121320037. The reversal of 1121320035 is 5300231211.

It is not a de Polignac number, because 1121320035 - 2³ = 1121320027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1121320037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 37861 + ... + 60630.

It is an arithmetic number, because the mean of its divisors is an integer number (46094256).

Almost surely, 2^1121320035 is an apocalyptic number.

1121320035 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1121320035 is a deficient number, since it is larger than the sum of its proper divisors (1091204253).

1121320035 is a wasteful number, since it uses less digits than its factorization.

1121320035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98536 (or 98533 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 1121320035 is about 33486.1170487114. The cubic root of 1121320035 is about 1038.9066526852.

Adding to 1121320035 its reverse (5300231211), we get a palindrome (6421551246).

The spelling of 1121320035 in words is "one billion, one hundred twenty-one million, three hundred twenty thousand, thirty-five".