1117870870 has 16 divisors (see below), whose sum is σ = 2130530688. Its totient is φ = 420845440.

The previous prime is 1117870867. The next prime is 1117870877. The reversal of 1117870870 is 780787111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1117870877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3287686 + ... + 3288025.

It is an arithmetic number, because the mean of its divisors is an integer number (133158168).

Almost surely, 2^1117870870 is an apocalyptic number.

1117870870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1117870870 is a deficient number, since it is larger than the sum of its proper divisors (1012659818).

1117870870 is a wasteful number, since it uses less digits than its factorization.

1117870870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6575735.

The product of its (nonzero) digits is 21952, while the sum is 40.

The square root of 1117870870 is about 33434.5759656078. The cubic root of 1117870870 is about 1037.8403377567.

The spelling of 1117870870 in words is "one billion, one hundred seventeen million, eight hundred seventy thousand, eight hundred seventy".