117021575 has 12 divisors (see below), whose sum is σ = 158298648. Its totient is φ = 85106400.

The previous prime is 117021517. The next prime is 117021599. The reversal of 117021575 is 575120711.

It is not a de Polignac number, because 117021575 - 2¹² = 117017479 is a prime.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 212492 + ... + 213041.

It is an arithmetic number, because the mean of its divisors is an integer number (13191554).

Almost surely, 2^117021575 is an apocalyptic number.

117021575 is a deficient number, since it is larger than the sum of its proper divisors (41277073).

117021575 is a wasteful number, since it uses less digits than its factorization.

117021575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425554 (or 425549 counting only the distinct ones).

The product of its (nonzero) digits is 2450, while the sum is 29.

The square root of 117021575 is about 10817.6510851478. The cubic root of 117021575 is about 489.1273862641.

The spelling of 117021575 in words is "one hundred seventeen million, twenty-one thousand, five hundred seventy-five".