1115146897 has 8 divisors (see below), whose sum is σ = 1118429312. Its totient is φ = 1111870800.

The previous prime is 1115146891. The next prime is 1115146913. The reversal of 1115146897 is 7986415111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1115146897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1115146891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 905272 + ... + 906502.

It is an arithmetic number, because the mean of its divisors is an integer number (139803664).

Almost surely, 2^1115146897 is an apocalyptic number.

It is an amenable number.

1115146897 is a deficient number, since it is larger than the sum of its proper divisors (3282415).

1115146897 is a wasteful number, since it uses less digits than its factorization.

1115146897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3159.

The product of its digits is 60480, while the sum is 43.

The square root of 1115146897 is about 33393.8152507317. The cubic root of 1115146897 is about 1036.9966659399.

The spelling of 1115146897 in words is "one billion, one hundred fifteen million, one hundred forty-six thousand, eight hundred ninety-seven".