1121303001 has 24 divisors (see below), whose sum is σ = 1850203200. Its totient is φ = 591454656.

The previous prime is 1121302999. The next prime is 1121303023. The reversal of 1121303001 is 1003031211.

It is not a de Polignac number, because 1121303001 - 2¹ = 1121302999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1121303041) 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 23 ways as a sum of consecutive naturals, for example, 154426 + ... + 161523.

It is an arithmetic number, because the mean of its divisors is an integer number (77091800).

Almost surely, 2^1121303001 is an apocalyptic number.

It is an amenable number.

1121303001 is a deficient number, since it is larger than the sum of its proper divisors (728900199).

1121303001 is a wasteful number, since it uses less digits than its factorization.

1121303001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315985 (or 315972 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1121303001 is about 33485.8627035351. The cubic root of 1121303001 is about 1038.9013919731.

Adding to 1121303001 its reverse (1003031211), we get a palindrome (2124334212).

The spelling of 1121303001 in words is "one billion, one hundred twenty-one million, three hundred three thousand, one".