1001152115 has 4 divisors (see below), whose sum is σ = 1201382544. Its totient is φ = 800921688.

The previous prime is 1001152111. The next prime is 1001152129. The reversal of 1001152115 is 5112511001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1001152115 - 2² = 1001152111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1001152093 and 1001152102.

It is not an unprimeable number, because it can be changed into a prime (1001152111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100115207 + ... + 100115216.

It is an arithmetic number, because the mean of its divisors is an integer number (300345636).

Almost surely, 2^1001152115 is an apocalyptic number.

1001152115 is a deficient number, since it is larger than the sum of its proper divisors (200230429).

1001152115 is an equidigital number, since it uses as much as digits as its factorization.

1001152115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200230428.

The product of its (nonzero) digits is 50, while the sum is 17.

The square root of 1001152115 is about 31640.9878954498. The cubic root of 1001152115 is about 1000.3838909422.

Adding to 1001152115 its reverse (5112511001), we get a palindrome (6113663116).

It can be divided in two parts, 10011 and 52115, that added together give a palindrome (62126).

The spelling of 1001152115 in words is "one billion, one million, one hundred fifty-two thousand, one hundred fifteen".