117561127 has 8 divisors (see below), whose sum is σ = 118372320. Its totient is φ = 116753280.

The previous prime is 117561109. The next prime is 117561131. The reversal of 117561127 is 721165711.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 117561127 - 2¹⁹ = 117036839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117561107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122883 + ... + 123835.

It is an arithmetic number, because the mean of its divisors is an integer number (14796540).

Almost surely, 2^117561127 is an apocalyptic number.

117561127 is a deficient number, since it is larger than the sum of its proper divisors (811193).

117561127 is an equidigital number, since it uses as much as digits as its factorization.

117561127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1673.

The product of its digits is 2940, while the sum is 31.

The square root of 117561127 is about 10842.5609059853. The cubic root of 117561127 is about 489.8779746123.

The spelling of 117561127 in words is "one hundred seventeen million, five hundred sixty-one thousand, one hundred twenty-seven".