1115001147 has 16 divisors (see below), whose sum is σ = 1603834400. Its totient is φ = 684951552.

The previous prime is 1115001133. The next prime is 1115001241. The reversal of 1115001147 is 7411005111.

It is not a de Polignac number, because 1115001147 - 2⁴ = 1115001131 is a prime.

It is a super-2 number, since 2×1115001147² = 2486455115622631218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1115001047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2272 + ... + 47277.

It is an arithmetic number, because the mean of its divisors is an integer number (100239650).

Almost surely, 2^1115001147 is an apocalyptic number.

1115001147 is a deficient number, since it is larger than the sum of its proper divisors (488833253).

1115001147 is a wasteful number, since it uses less digits than its factorization.

1115001147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50142.

The product of its (nonzero) digits is 140, while the sum is 21.

The square root of 1115001147 is about 33391.6328890936. The cubic root of 1115001147 is about 1036.9514853902.

Adding to 1115001147 its reverse (7411005111), we get a palindrome (8526006258).

The spelling of 1115001147 in words is "one billion, one hundred fifteen million, one thousand, one hundred forty-seven".