1117297475 has 24 divisors (see below), whose sum is σ = 1591707648. Its totient is φ = 762112800.

The previous prime is 1117297469. The next prime is 1117297481. The reversal of 1117297475 is 5747927111.

It is a Cunningham number, because it is equal to 33426²-1.

It is an interprime number because it is at equal distance from previous prime (1117297469) and next prime (1117297481).

It is not a de Polignac number, because 1117297475 - 2⁴ = 1117297459 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 16712 + ... + 50138.

It is an arithmetic number, because the mean of its divisors is an integer number (66321152).

Almost surely, 2^1117297475 is an apocalyptic number.

1117297475 is a deficient number, since it is larger than the sum of its proper divisors (474410173).

1117297475 is a wasteful number, since it uses less digits than its factorization.

1117297475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33635 (or 33630 counting only the distinct ones).

The product of its digits is 123480, while the sum is 44.

The square root of 1117297475 is about 33425.9999850416. Note that the first 4 decimals coincide. The cubic root of 1117297475 is about 1037.6628592264.

The spelling of 1117297475 in words is "one billion, one hundred seventeen million, two hundred ninety-seven thousand, four hundred seventy-five".