1121300015 has 16 divisors (see below), whose sum is σ = 1492767360. Its totient is φ = 801666720.

The previous prime is 1121299999. The next prime is 1121300027. The reversal of 1121300015 is 5100031211.

It is not a de Polignac number, because 1121300015 - 2⁴ = 1121299999 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 169529 + ... + 176018.

It is an arithmetic number, because the mean of its divisors is an integer number (93297960).

Almost surely, 2^1121300015 is an apocalyptic number.

1121300015 is a deficient number, since it is larger than the sum of its proper divisors (371467345).

1121300015 is a wasteful number, since it uses less digits than its factorization.

1121300015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345622.

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 1121300015 is about 33485.8181175255. The cubic root of 1121300015 is about 1038.9004697834.

Adding to 1121300015 its reverse (5100031211), we get a palindrome (6221331226).

The spelling of 1121300015 in words is "one billion, one hundred twenty-one million, three hundred thousand, fifteen".