1120421313 has 48 divisors (see below), whose sum is σ = 1833441792. Its totient is φ = 653184000.

The previous prime is 1120421311. The next prime is 1120421347. The reversal of 1120421313 is 3131240211.

It is not a de Polignac number, because 1120421313 - 2¹ = 1120421311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1120421311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 554481 + ... + 556497.

It is an arithmetic number, because the mean of its divisors is an integer number (38196704).

Almost surely, 2^1120421313 is an apocalyptic number.

It is an amenable number.

1120421313 is a deficient number, since it is larger than the sum of its proper divisors (713020479).

1120421313 is a wasteful number, since it uses less digits than its factorization.

1120421313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2246 (or 2243 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1120421313 is about 33472.6950364024. The cubic root of 1120421313 is about 1038.6290222162.

Adding to 1120421313 its reverse (3131240211), we get a palindrome (4251661524).

The spelling of 1120421313 in words is "one billion, one hundred twenty million, four hundred twenty-one thousand, three hundred thirteen".