1117571975 has 12 divisors (see below), whose sum is σ = 1492388856. Its totient is φ = 825283680.

The previous prime is 1117571957. The next prime is 1117571977. The reversal of 1117571975 is 5791757111.

It is not a de Polignac number, because 1117571975 - 2³⁰ = 43830151 is a prime.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1117571977) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1719017 + ... + 1719666.

It is an arithmetic number, because the mean of its divisors is an integer number (124365738).

Almost surely, 2^1117571975 is an apocalyptic number.

1117571975 is a deficient number, since it is larger than the sum of its proper divisors (374816881).

1117571975 is a wasteful number, since it uses less digits than its factorization.

1117571975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3438706 (or 3438701 counting only the distinct ones).

The product of its digits is 77175, while the sum is 44.

The square root of 1117571975 is about 33430.1058179600. The cubic root of 1117571975 is about 1037.7478306680.

The spelling of 1117571975 in words is "one billion, one hundred seventeen million, five hundred seventy-one thousand, nine hundred seventy-five".