117025761 has 4 divisors (see below), whose sum is σ = 156034352. Its totient is φ = 78017172.

The previous prime is 117025757. The next prime is 117025763. The reversal of 117025761 is 167520711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 117025761 - 2² = 117025757 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (117025763) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 19504291 + ... + 19504296.

It is an arithmetic number, because the mean of its divisors is an integer number (39008588).

Almost surely, 2^117025761 is an apocalyptic number.

It is an amenable number.

117025761 is a deficient number, since it is larger than the sum of its proper divisors (39008591).

117025761 is an equidigital number, since it uses as much as digits as its factorization.

117025761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39008590.

The product of its (nonzero) digits is 2940, while the sum is 30.

The square root of 117025761 is about 10817.8445634979. The cubic root of 117025761 is about 489.1332184160.

The spelling of 117025761 in words is "one hundred seventeen million, twenty-five thousand, seven hundred sixty-one".